Combating Concrete: Alternative and Sustainable Building Materials

Around 5% of the world’s CO2 emissions are caused by concrete production, so finding sustainable alternatives is essential to slowing down climate change. Fortunately, there are plenty of materials out there which are perfect for mass home construction, without the same ecological damage. If you want to continue to do meaningful things, such as travel the world or live in safe and comfortable accommodation, then finding alternative building materials is the route to doing this sustainably.

Hemp Concrete Substitute

By compacting hemp and lime, it is possible to create a building block comparable to concrete. Unlike concrete, however, hemp absorbs carbon dioxide rather than emits it. This means that during the production process, 1m3 of hemp concrete wall will suck up 165kg of CO2. It is just as durable and robust as regular concrete, but will require cannabis legalisation before manufacture can begin.

Nigerians are building fireproof, bulletproof, and eco-friendly homes with plastic bottles and mud

In countries where the plant is already legal to produce, then the switch to hemp alternative building material should begin immediately. Hemp plastic is an attractive sustainable building material which holds great potential worldwide.

Bamboo and Straw

Wood has long been a popular home building material, but not all plants are equally green. Bamboo has the quickest regrowth time of any plant, meaning that it can be replaced as quickly as it is cut down. It is strong and durable. Meanwhile, straw, when packed tightly, is a perfect eco-friendly insulation material. Together, this makes the most environmentally conscious wooden cabin.

In the debate of manufactured vs modular cabins, the latter tends to be preferred due to its rigidity and durability, while the former is more affordable. By constructing modular bamboo cabins, however, you are able to produce a long-lasting, energy efficient home at a much cheaper cost.

Reused Plastic Waste

The world purchases a million plastic bottles a minute or 480 billion a year. We need to seriously start thinking about how we can reduce our consumption of single use plastics, but also what to do with the waste in the meantime.

One thing that the bottles can be used for is the construction of houses. When filled with sand and stacked together, they form a durable and insulating wall. In some countries, this is being used as a way to bring affordable housing to those living in poverty. It is certainly a creative way to build homes without using more of the Earth’s precious resources.

Final Thoughts

There are so many alternatives to concrete out there. Governments and construction companies need to come together to move towards sustainable building practices. This will help to ensure that everyone has a safe place to call home, while recycling resources and cleaning the carbon dioxide out of the atmosphere.

Solid Waste Management in Morocco

Solid waste management is one of the major environmental problems threatening the Kingdom of Morocco. More than 5 million tons of solid waste is generated across the country with annual waste generation growth rate touching 3 percent. The proper disposal of municipal solid waste in Morocco is exemplified by major deficiencies such as lack of proper infrastructure and suitable funding in areas outside of major cities.

solid_waste_morocco

According to the World Bank, it was reported that before a recent reform in 2008 “only 70 percent of urban wastes was collected and less than 10 percent of collected waste was being disposed of in an environmentally and socially acceptable manner. There were 300 uncontrolled dumpsites, and about 3,500 waste-pickers, of which 10 percent were children, were living on and around these open dumpsites.”

It is not uncommon to see trash burning as a means of solid waste disposal in Morocco.  Currently, the municipal waste stream, including hazardous wastes, is disposed of in a reckless and unsustainable manner which has major effects on public health and the environment.  The lack of waste management infrastructure leads to burning of trash as a form of inexpensive waste disposal.  Unfortunately, the major health effects of burning trash are either widely unknown or grossly under-estimated to the vast majority of the population in Morocco.

The good news about the future of Morocco’s MSW management is that the World Bank has allocated $271.3 million to the Moroccan government to develop a municipal waste management plan.  The plan’s details include restoring around 80 landfill sites, improving trash pickup services, and increasing recycling by 20%, all by the year 2020. While this reform is expected to do wonders for the urban population one can only hope the benefits of this reform trickle down to the 43% of the Moroccan population living in rural areas, like those who are living in my village.

Needless to say, even with Morocco’s movement toward a safer and more environmentally friendly MSW management system there is still an enormous population of people including children and the elderly who this reform will overlook.  Until more is done, including funding initiatives and an increase in education, these people will continue to be exposed to hazardous living conditions because of unsuitable funding, infrastructure, policies and education.

Circular Economy: Past, Present and Future

For a society accustomed to the achievements of a linear economy, the transition to a circular economic system is a hard task even to contemplate. Although the changes needed may seem daunting, it is important to remember that we have already come a long way. However, the history of the waste hierarchy has taught that political perseverance and unity of approach are essential to achieving long term visions in supply chain management.

Looking back, it is helpful to view the significance of the Lansink’s Ladder in the light of the sustainability gains it has already instigated. From the outset, the Ladder encountered criticism, in part because the intuitive preference order it expresses is not (and has never been put forward as) scientifically rigorous. Opposition came from those who feared the hierarchy would impede economic growth and clash with an increasingly consumerist society. The business community expressed concerns about regulatory burdens and the cost of implementing change.

Circular-Economy

However, such criticism was not able to shake political support, either in Holland where the Ladder was adopted in the Dutch Environmental Protection Act of 1979, or subsequently across Europe, as the Waste Hierarchy was transposed into national legislation as a result of the revised Waste Framework Directive.

Prevention, reuse and recycling have become widely used words as awareness has increased that our industrial societies will eventually suffer a shortage of raw materials and energy. So, should we see the waste hierarchy as laying the first slabs of the long road to a circular economy? Or is the circular economy a radical new departure?

Positive and negative thinking

There have been two major transitionary periods in waste management: public health was the primary driver for the first, from roughly 1900 to 1960, in which waste removal was formalised as a means to avoid disease. The second gained momentum in the 1980s, when prevention, reuse and recovery came on the agenda. However, consolidation of the second transition has in turn revealed new drivers for a third. Although analysing drivers is always tricky – requiring a thorough study of causes and effects – a general indication is helpful for further discussion. Positive (+) and negative (-) drivers for a third transition may be:

(+) The development of material supply chain management through the combination of waste hierarchy thinking with cradle to cradle eco design;

(+) The need for sustainable energy solutions;

(+) Scarcity of raw materials necessary for technological innovation; and

(+) Progressive development of circular economy models, with increasing awareness of social, financial and economic barriers.

(-) Growth of the global economy, especially in China and India, and later in Africa;

(-) Continued growth in global travel;

(-) Rising energy demand, exceeding what can be produced from renewable energy sources and threatening further global warming;

(-) Biodiversity loss, causing a further ecological impoverishment; and

(-) Conservation of the principle of ownership, which hinders the development of the so-called ‘lease society’. 

A clear steer

As the direction, scale and weight of these drivers are difficult to assess, it’s necessary to steer developments at all levels to a sustainable solution. The second transition taught that governmental control appears indispensable, and that regulation stimulates innovation so long as adequate space is left for industry and producers to develop their own means of satisfying their legislated responsibilities.

The European Waste Framework Directive has been one such stimulatory piece of legislation. Unfortunately, the EC has decided to withdraw its Circular Economy package, which would otherwise now be on track to deliver the additional innovation needed to achieve its goals – including higher recycling targets. Messrs. Juncker and Timmermans must now either bring forward the more ambitious legislation they have hinted at, or explain why they have abandoned the serious proposals of their predecessors.

Perhaps the major differences between Member States and other countries may require a preliminary two-speed policy, but any differences in timetable between Western Europe and other countries should not stand in the way of innovation, and differences of opinion between the European Parliament and the Commission must be removed for Europe to remain credible.

Governmental control requires clear rules and definitions, and for legislative terminology to be commensurate with policy objectives. One failing in this area is the use of the generic term ‘recovery’ to cover product reuse, recycling and incineration with energy recovery, which confuses the hierarchy’s preference order. The granting of R1 status to waste incineration plants, although understandable in terms of energy diversification, turns waste processors into energy producers benefiting from full ovens. Feeding these plants reduces the scope for recycling (e.g. plastics) and increases COemissions. When relatively inefficient incinerators still appear to qualify for R1 status, it offers confusing policy signals for governments, investors and waste services providers alike.

The key role for government also is to set clear targets and create the space for producers and consumers to generate workable solutions. The waste hierarchy’s preference order is best served by transparent minimum standards, grouped around product reuse, material recycling or disposal by combustion. For designated product or material categories, multiple minimum standards are possible following preparation of the initial waste streams, which can be tightened as technological developments allow.

Where the rubber meets the road

As waste markets increase in scale, are liberalised, and come under international regulation, individual governmental control is diminished. These factors are currently playing out in the erratic prices of secondary commodities and the development of excess incinerator capacity in some nations that has brought about a rise in RDF exports from the UK and Italy. Governments, however, may make a virtue of the necessity of avoiding the minutiae: ecological policy is by definition long-term and requires a stable line; day to day control is an impossible and undesirable task.

The road to the third transition – towards a circular economy – requires a new mind-set from government that acknowledges and empowers individuals. Not only must we approach the issue from the bottom-up, but also from the side and above. Consumer behaviour must be steered by both ‘soft’ and ‘hard’ controls: through information and communication, because of the importance of psychological factors; but also through financial instruments, because both consumers and industry are clearly responsive to such stimuli.

Where we see opposition to deposit return schemes, it comes not from consumers but from industry, which fears the administrative and logistical burden. The business community must be convinced of the economic opportunities of innovation. Material supply chain management is a challenge for designers and producers, who nevertheless appreciate the benefits of product lifetime extensions and reuse. When attention to environmental risks seems to lapse – for example due to financial pressures or market failures – then politics must intervene.

Government and industry should therefore get a better grip on the under-developed positive drivers of the third transition, such as eco design, secondary materials policy, sustainable energy policy, and research and development in the areas of bio, info, and nanotechnologies. 

Third time’s the charm

Good supply chain management stands or falls with the way in which producers and consumers contribute to the policies supported by government and society. In order that producers and consumers make good on this responsibility, government must first support their environmental awareness.

The interpretation of municipal duty of care determines options for waste collection, disposal and processing. Also essential is the way in which producer responsibility takes shape, and the government must provide a clear separation of private and public duties. Businesses may be liable for the negative aspects of unbridled growth and irresponsible actions. It is also important for optimal interaction with the European legislators: a worthy entry in Brussels is valuable because of the international aspects of the third transition. Finally, supply chain management involves the use of various policy tools, including:

  • Rewarding good behaviour
  • Sharpening minimum standards
  • Development and certification of CO2 tools
  • Formulation and implementation of end-of-waste criteria
  • Remediation of waste incineration with low energy efficiency
  • Restoration or maintenance of a fair landfill tax
  • Application of the combustion load set at zero

‘Seeing is believing’ is the motto of followers of the Apostle Thomas, who is chiefly remembered for his propensity for doubt. The call for visible examples is heard ever louder as more questions are raised around the feasibility of product renewal and the possibilities of a circular economy.

Ultimately, the third transition is inevitable as we face a future of scarcity of raw materials and energy. However, while the direction is clear, the tools to be employed and the speed of change remain uncertain. Disasters are unnecessary to allow the realisation of vital changes; huge leaps forward are possible so long as government – both national and international – and society rigorously follow the preference order of the waste hierarchy. Climbing Lansink’s Ladder remains vital to attaining a perspective from which we might judge the ways in which to make a circle of our linear economy.

Note: The article is being republished with the permission of our collaborative partner Isonomia. The original article can be found at this link.

Why Going Green is the Best Thing You Can Do for Your Community

As we go about our daily lives, it’s always a good idea to think about how we can contribute to the community we belong to in tangible and appreciable ways. Improving our communities from the inside not only allows us to make things easier and more convenient for ourselves, but also for the people we meet and rely upon in our day-to-day. Besides this, it also helps us think of other people’s needs rather than just our own—an essential need if we’re to live happy and productive lives. One of the best ways of improving our communities is, of course, going green: the act of adopting an environmentally-friendly lifestyle. This means taking active steps to minimize our carbon footprint and reducing waste.

It doesn’t have to start out big—we can start with the smaller things, and work our way up from there. Instead of buying new printer ink cartridges, for example, we can try using compatible ink cartridges instead. These are ink cartridges that are made the same way as new printer ink cartridges, but cost way less to make than branded ones. Instead of throwing away our old or obsolete electronics and electrical goods, we can look into getting them repaired. Another example of that is to refurbish old drones instead of buying new.

By taking up these eco-friendly practices, our communities will become cleaner, more energy-efficient, and much healthier places to live in, alongside other very practical and tangible benefits that everyone will appreciate.

Not convinced? Well, hopefully listing out those benefits in full below will convince you. Read on as we go through all the biggest reasons why going green is the best thing you can do for your community.

A healthier community

Enacting green and eco-friendly practices in your community will have the immediate effect of making it healthier for the individuals who live in it, enabling them to live longer, happier, and more productive lives. This can be considered as the most important benefit, seeing as we can tie so many health conditions and diseases to having an environmentally-negligent lifestyle. By going green, you can avoid these potential risks from taking hold in your community.

For example, recycling and minimizing trash or garbage helps makes your immediate surroundings cleaner and more attractive to look at. This causes disease-carrying pests such as insects and rodents to be driven away from your community, which then results in less people catching those diseases.

Another example is having the vehicles in your community switch to more eco-friendly fuel types will result in cleaner and healthier air, as well as reduce the chances of children and the elderly from getting respiratory diseases. Many companies like popgear use recycled material in their clothing. These and a whole lot more are attainable by going green.

Recommended Reading: A Helpful Guide to Electronic Waste Recycling

Savings on utility bills and other expenses

One of the main tenets of going green is to be conservative when it comes to the usage of utilities, such as electricity, gas, water, and so on. It goes without saying that using too much of these obviously strains the environment.

For example, the excessive and unnecessary use of electricity when it’s clearly not needed increases the power demand from power plants, which in turn increases the amount of fuel being used to supply that energy. This uses up our remaining fossil fuels at an alarming rate, while also depositing more pollutants into the atmosphere and environment. The same goes for gas and other utilities.

By being smarter and more conscious about using these precious resources in our homes, we can reduce the impact we have on the environment by quite a large degree. It will help ease the strain our environment is currently experiencing in providing us these resources and ensure that they don’t run out as quickly as they would have if we continued being unnecessarily wasteful with our usage.

Besides this, conserving energy and resources also helps us save on our utility bills. Obviously, the less power, water, and gas we use in our day-to-day, the less we’ll be charged when our monthly bills come in. Up to 20% of expanses per household, according to the US Environmental Protection Agency, are saved, especially if we adopt changes such as using solar panels rather than relying on our electrical grid. This is a huge chunk of money no matter how you slice it!

Durable and stronger homes and and structures

Let’s not mince words about it: eco-friendly and environmentally-conscious “green” products are more expensive than the brands that have an easier time fitting into our budget. However, we must consider that the former is also much more durable than the latter, which will inevitably result in a lot of savings in the long run.

This can be seen the most in building construction materials, especially those involved in the building and repair of homes. For example, recycled decking, which is made from recycled plastic and wooden fibers, have been tested to last five times longer than traditional decking.

Bamboo, a self-sustaining perennial grass that can grow up to three feet in 24 hours, is lighter than most building materials and yet has greater compressive strength than brick and concrete. The best part about it is that it grows faster than it can be harvested, meaning that there’s no danger of running out of it anytime soon, no matter how extensively it’s used.

By creating your community’s homes and structures using these eco-friendly materials, you can help save the environment while also ensuring that the homes and shelters will last for as long as they’re needed.

A self-sufficient community

It’s a fact of life that we have to rely on big companies to get us the modern conveniences and essentials we need to get through the day. However, by going green, we can help reduce our reliance on them and become more independent in our lives.

For example, taking the initiative to install solar panels in every home in your community will allow it to become less dependent on the power that companies provide you with electricity. With enough time, your community will be generating enough excess power that the same company will be paying you for that excess. There’s also the fact that if something goes wrong with the power plant, your community won’t be subjected to the same annoying and disruptive blackout that other surrounding neighborhoods will be, as you’ll have enough solar power to last you the entire time.

college-green

Let’s say you’re not quite at that level yet, in terms of going green. How about supporting your local markets rather than your nearby supermarket? By doing so, you ensure that the food-growing sector of your community continues to earn a living while also retaining the ability to keep growing natural and organic produce. Doing so also cuts down on harmful emissions, as you won’t have to travel by car just to get the fresh food you need. Your community retains its independence while helping the environment.

Conclusion

There are many ways to improve one’s community from the inside, with one of the major and more effective ones being able to adopt eco-friendly and environmentally-conscious practices. By doing so, not only does the community benefit hugely in the end in terms of health, sustainability, and independence from big companies, but the environment as well.

Municipal Wastes in Saudi Arabia

Saudi Arabia has been witnessing rapid industrialization, high population growth rate and fast urbanization which have resulted in increased levels of pollution and waste. Solid waste management is becoming a big challenge for the government and local bodies with each passing day. With population of around 29 million, Saudi Arabia generates more than 15 million tons of solid waste per year. The per capita waste generation is estimated at 1.5 to 1.8 kg per person per day.

Saudi_Arabia_Waste

Solid waste generation in the three largest cities – Riyadh, Jeddah and Dammam – exceeds 6 million tons per annum which gives an indication of the magnitude of the problem faced by civic bodies.  More than 75 percent of the population is concentrated in urban areas which make it necessary for the government to initiate measures to improve recycling and waste management scenario in the country.

In Saudi Arabia, municipal solid waste is collected from individual or community bins and disposed of in landfills or dumpsites. Saudi waste management system is characterized by lack of waste disposal and tipping fees. Recycling, reuse and energy recovery is still at an early stage, although they are getting increased attention. Waste sorting and recycling are driven by an active informal sector. Recycling rate ranges from 10-15%, mainly due to the presence of the informal sector which extracts paper, metals and plastics from municipal waste.

Recycling activities are mostly manual and labor intensive. Composting is also gaining increased interest in Saudi Arabia due to the high organic content of MSW (around 40%).  Efforts are also underway to deploy waste-to-energy technologies in the Kingdom. All activities related to waste management are coordinated and financed by the government.

The Saudi government is aware of the critical demand for waste management solutions, and is investing heavily in solving this problem. The 2011 national budget allocated SR 29 billion for the municipal services sector, which includes water drainage and waste disposal. The Saudi government is making concerted efforts to improve recycling and waste disposal activities. Saudi visa for qualified waste management professionals will also go a long way in improving waste management situation in the country.

E-Waste Management in the GCC: Perspectives

The growing amount of e-waste is gaining more and more attention on the global agenda. In 2017, e-waste production is expected to reach up to 48 million metric tons worldwide. The biggest contributors to this volume are highly developed nations, with the top three places of this inglorious ranking going to Norway, Switzerland and Iceland.

In Norway, each inhabitant produces a massive 28.3 kg of e-waste every year. Not far behind the top ten of this ranking lie GCC member states, with both Kuwait and UAE producing each 17.2 kg e-waste per capita per year. Saudi Arabia with its many times larger population produces least e-waste per capita among all GCC countries, with 12.5 kg a year.

Link between Development and E-Waste

Recent research suggests that there is evidence of a strong link between economic development and the generation of e-waste.  Due to rapid urbanization growth rates along with a substantial increase in the standard of living, more people develop a consumerist culture. With rising disposable income, people replace their technology more frequently, as soon there are upgraded gadgets on the market. This development is aggravated by technological progress, which renders shorter life spans of products.

Complexity of E-Waste

E-waste is not only a fast-growing waste stream but also complex, as it contains a large variety of different products. This makes it extremely difficult to manage. The rapid technology development and the emergence of items such as smart clothes will render e-waste management even more difficult in the future. Dealing with e-waste is not only toxic for workers with direct contact to it, but also the dumpsites on which e-waste is stored can have severe environmental impacts on the surrounding areas. Many developed countries export the bulk of their e-waste to developing countries, where it is recovered using extremely harmful methods for both human and the environment.

Out of the total e-waste produced world-wide, only about 15% are collected by official take-back schemes. The European Union is one of the few regions in the world with uniform legislation regarding the collection and processing of e-waste. The WEEE (Waste Electrical and Electronic Equipment) Directive took effect in 2003 and was designed to make manufacturers of appliances responsible for their equipment at the end of its life, a system known as extended producer responsibility (EPR).

An Untapped Opportunity

However, e-waste should not only be seen as a problem which more and more developed countries have to face. According to statistics, the intrinsic material value of global e-waste is estimated to be 48 billion euros in 2014. Even though the large part of e-waste constitutes of iron and steel, precious metals such as gold, copper, palladium, silver, platinum, cobalt, and more provide economic incentive for recycling.  In addition to the intrinsic material value, there are more benefits to e-waste recycling, such as job and employment creation.

electrical-waste-uk

In addition to these economic benefits, the recycling of electronic waste products also ensures to reduce environmental pollution by conserving virgin resources, whose extraction goes along with severe damages to entire ecosystems.

Situation in GCC Countries

In almost all GCC countries, there is minimal to zero legislation on e-waste, with minor differences between the respective counties. Kuwait as one of the biggest per capita e-waste producers among the GCC nations uses the same landfills for both conventional and e-waste. Bahrain operates only one landfill for the entire country, but there are several recycling initiatives in place, aiming at separating plastics, metals and paper. Still, there is no comprehensive law on e-waste management. Saudi Arabia possesses the biggest total amount of e-waste among the GCC countries. There are private companies, initiatives and Non-Profit-Organizations currently working on e-waste recycling, but there is no regulated system in place.

Oman does not have regulations or facilities to deal with e-waste, but the country has recently stated the realization of a need for it. Qatar has also recognized the need to address the waste management issue, but no concrete actions have been taken. The most advanced momentum regarding e-waste of all GCC countries can be found in the UAE. In some waste management centers, there are facilities where e-waste is classified and sorted out specifically. The UAE government is currently developing regulation and facilities to for sound e-waste recycling.

The Way Forward

As we have seen, in many GCC countries the need for e-waste legislation is widely recognized. E-waste management provides an opportunity and a huge potential in the entire Middle East, primarily due to four reasons. First, e-waste management is a source of employment for both highly skilled and unskilled workers. This could help to transfer employment from the public to the private sector, which is a goal of many Gulf countries. Second, e-waste recycling can also minimize costs, as less landfill space is being used. In Bahrain, the only existing landfill is expected to reach its capacity in the next years, and poses furthermore a health risks for the population as it is close to urban areas.

The most advanced momentum regarding e-waste in the GCC can be found in the UAE.

Third, the intrinsic value of e-waste with its precious metals provide economic incentive for recycling. As reserves for many metals decrease drastically, the economic value of these resources is expected to increase. And fourth, developments in e-waste management provide opportunities for industry and environmental research. Innovative and efficient recycling processes could be developed and transferred to other countries.

In order to fulfill this potential for e-waste management in GCC countries, the first step is to develop a sound regulatory framework in order to ensure private sector participation. Additionally, programs to increase public awareness for waste and in specific e-waste need to be developed, which is necessary for an integrated e-waste management system.

References

Kusch, S. & Hills, C.D. (2017). The Link between e-Waste and GDP—New Insights from Data from the Pan-European Region. Resources 6 (15); doi:10.3390/resources6020015

Baldé, C.P., Wang, F., Kuehr, R. & Huisman, J. (2015). The global e-waste monitor – 2014. United Nations University, IAS – SCYCLE. Bonn, Germany

Morgan, K. (2015). Is there a future for e-waste recycling? Yes, and it’s worth billions.

Cucchiella, F., D’Adamo, I., Lenny Koh, S.C. & Rosa, P. (2015). Recycling of WEEEs: An economic assessment of present and future e-waste streams. Renewable and Sustainable Energy Reviews (51); doi:10.1016/j.rser.2015.06.010

Alghazo, J. & Ouda, O. (2016). Electronic Waste Management and security in GCC Countries: A Growing Challenge. Conference Paper.

Debusmann, B. (2015). New regulations are coming up to deal with e-waste.

Product Life-Cycle Assessment: Closing the Loop

If you’re interested in green and environmental issues you may have heard the phrase ‘life-cycle assessment’ in relation to a particular product. It can be difficult to ascertain exactly what this life-cycle assessment involves – so we’re hoping to shed some light on the process, the different types of assessment that take place and explain what’s involved with each step.

product-life-cycle-assessment

A look at the bigger picture

Essentially, a product life-cycle assessment takes an overall view of that item’s impact on the environment – and in doing so, offers a true picture of how green that product really is. The aim is for consumers, manufacturers and policy makers to be given a true environmental picture of any product.

Although it’s an example that divides the opinion of environmentalists around the world, the Toyota Prius provides an interesting picture of why the product life-cycle assessment is required in a world driven by a company’s desire to be seen as green. The Prius is an electric-hybrid car which Toyota claims delivers an impressive 60 miles per gallon of fuel – a statistic that puts it as a firm environmental favourite.

However, there are claims that the construction methods used to create the batteries that power the Prius are hugely detrimental to the environment – with some sources saying the manufacturing plant impacts the environment so greatly that by the time a Prius is driven from the showroom – it’s already had the environmental impact it would take any other car 1,000 gallons of fuel to match.

What’s the verdict?

So, is the Prius good or bad? That’s not for us to decide – and we’re not suggesting one way or another, we’re simply using this as an illustration of how complex any environmental consideration can be in a product with such an intensive manufacturing process and prolonged lifespan. At the other end of the calculation you’d have to consider how long the Prius will run for – and whether that balances a supposedly negative building method.

Ingredients of product life-cycle assessment

The assessment is ordinarily broken down into different stages:

Extraction and processing of raw materials

This is a full understanding of the journey from source to point of manufacture that the building blocks of any product take. For example, in the manufacture of a table you would begin by looking at the trees that provide the wood, the logging process that takes them from forest to timber yard and the impact of the machinery used throughout that process.

You would repeat this process for every raw material that goes into the table’s manufacture.

Manufacturing

Next comes the manufacturing itself – if machinery or any industrial process is used to piece our table together then resources used in that process must be considered when we look at the overall impact of the product on the environment.

Packaging

The packaging that a product is delivered in is effectively another product in itself. Although unlikely in our table example, it’s not uncommon for extravagant packaging to represent 10-20% of a product’s recommended retail price. Curtis Packaging, an award-winning UK based sustainable packaging company suggest manufacturers pay careful consideration to the impact of packaging on a product’s overall green credentials – from raw materials to the point of disposal, the packing that adorns your product can have serious environmental considerations.

Marketing

At first glance you could be forgiven for thinking marketing a product comes with no environmental impact – but you’d be wrong. From the printing of advertising materials – to the sales team’s 20,000 annual miles in company vehicles – there can be a lot of resource put into any marketing process. However, measurement is no mean feat – companies can find it difficult to differentiate between their overall carbon footprint and that associated with any one product.

Product use, re-use and maintenance

This is where the impact of a product moves from the manufacturer and into the hands of the consumer. What does typical use look like? How long is a product being used for? Does one person’s use vary compared to another’s? For our example table, the answers could be fairly simple – on the other hand, there’s a huge amount of variation when you look at a broad range of car drivers.

Packaging that adorns your product can have serious environmental impact.

Packaging that adorns your product can have serious environmental impact.

For any product that requires maintenance, the LCA just became much more complex (again!) – just as packaging represented an entirely separate product that requires its own assessment – a similar process is required when a car receives a tank of fuel, a top up of coolant, brake fluid, spark plugs, brake pads… hopefully you get the picture (hint – it’s complex and sprawling!)

However difficult it might be to anticipate, it’s an environmental imperative that big industry is aware of the impact they have – even when their product has left their hands.

Recycling, disposal and waste at the end of the product’s life

From pizza boxes to old cars, it’s easy to think of their job as being done when they’re waved off to a recycling bin or breaker’s yard – but environmentally this could just be the beginning of their impact.

In terms of recycling – the effort and impact of the process must be outweighed by the benefit of the salvaged material, it’s often in life-cycle assessments that decisions are made around what is worth recycling – and what should be destined for landfill. If landfill is the ultimate resting place for any product, what does the deterioration process look like and what does that mean to the environment in the short, medium and long-term?

Then, to bring the assessment cycle full circle – any product that can be processed and re-used re-enters the assessment cycle back at the extraction and processing of raw materials stage…

Ultimately, what is the life-cycle assessment done for?

There’s no one reason that a life-cycle assessment is done. For some companies, they’re keen to explain the full back-story of the product. For others, it can be an exercise in understanding the full process and highlighting any areas that can be financially streamlined – it certainly provides a solid baseline from which improvements can be made.

For the most environmentally ethical companies, the life-cycle assessment gives a true picture of the impact they have on the well-being of the planet – and offers a chance to get a full and honest picture of the moves they and their partners can make in creating a product that fulfils the requirements of the environment – as well as those of the customer and shareholders.

Sustainable Waste Management in the Construction Industry

Construction is booming worldwide driven by population growth, urbanization and increased need for dwellings, business sites and commercial spaces with volume output expected to grow by 85% to $15.5 trillion by 2030. Unfortunately, it also means that there is a serious challenge to implement sustainable waste management in the construction industry. It is not only the duty of waste management contractors and companies to ensure sustainable collection and management of construction wastes responsibly but also individuals who are doing their own DIY projects at home. Without a concerted effort to collect, recycle and dispose waste properly, there is real danger to the environment that will eventually spill over to people, vegetation, and wildlife.

Role of education and behavior change

On a global scale, over half of the world’s population have no access to a steady collection of trash. Illegal dumpsites hold over 40% of the world’s waste. It’s not only the lack of facilities but also inadequate information that is contributing to waste-related pollution all over the world.

Sustainable waste collection begins by educating people about reducing, reusing and recycling efforts or the 3R approach. From education and information campaigns to changes in behavior and attitudes, when people know and are aware of the benefits of reducing, segregating, collection, reusing and recycling, they become a collective and conscious effort.

Right materials and equipment

The availability of bins, collection containers, and recycling centers also has a great influence on how much a person and their communities recycle and reuse or dispose of construction waste properly. For people who are able to hire a 20 yard dumpster in West Chester, Lancaster, Norrington, Reading or any other town in the world, it is easier and convenient to remove construction and renovation waste knowing that the company will dispose of it properly by bringing it to approved landfills.

What is also important is for clients, contractors and recycling specialists to put their heads together to minimize construction waste according to Oyenuga and Bhamidimarri.

General awareness to reduce dumping is increasing as about 35% of construction and demolition waste (CDW) goes to landfills. Construction rubbish can contain lots of toxic materials such as lead, asbestos, and other dangerous substances that can find their way into the soil, groundwater, and the air that we breathe.

The construction industry has also recognized that reusing components and materials in making or erecting structures is sustainable and saves money. Most of the parts of construction consist of wood, sticks, steel, and concrete. Rubble can be compacted and reused. Demolition is carefully considered if renovation can be carried out.

The Way Forward

Waste generated from construction need not be a nuisance to the environment. With the right education to increase awareness to reduce/recycle/reuse, provision of collection and recycling points and the newer and better techniques to reuse construction materials, sustainable management of construction waste can become a reality.

Solid Waste Management in South Asia – Practical Action’s Experience

Waste management systems can be divided into a number of steps from collection, storage, transportation, processing, treatment, recycling and final disposal. Integrated solid waste management refers to this entire process and aims to maximise resource use efficiency, with minimal amounts ending up in final disposal sites. During Practical Action’s recent work in the South Asia region, we have gained particular experiences in terms of firstly waste collection, storage and transportation; and secondly waste processing in particular of organic waste.

Waste-Management-Bangladesh

Collection and Transportation

In many cities, waste collection services fail to reach all areas of the town or city. People are left to manage their own waste, which they do by burning and burying it, or dumping on open spaces. Sometimes large bins or skips are provided but they may be irregularly emptied, and also overflow when the contents is picked over by waste pickers and animals.

In Bangladesh, in order to help increase the overall capacity for collecting household waste, Practical Action has promoted a door-to-door collection service run by local NGOs. Residents pay a service charge in addition to their municipal rates, but in return they receive a regular service, leading to a cleaner neighbourhood.

In Faridpur, the local NGO, WORD, with technical backstopping from Practical Action serves more than 5,000 customers with waste collection. There are three main types of customer, non-slum households, slum households and institutions. Slum-based households are charged the lowest tariffs (minimum BDT 10) while the institutional rate is highest (minimum BDT 150).

The numbers of slum households is small because the alternative option of localized composting (with a barrel system) was widely taken up. This is easier than collection through vans and is useful for slum people as they can use the compost later. Waste collectors use small rickshaw vans for the collection service. Recently we have also introduced small small rickshaw vans and small motorized versions for the collection service.

The waste is taken to a composting facility where it is sorted and the organic portion is separated for composting, and in some cases for generating biogas. In 2008, WORD started the waste collection business with only 525 customers. In the last 8 years, the number has increased more than tenfold (5,100 customer per month) making the solid waste management a viable business. It has not only contributed to a better living environment, but also generated green and dignified jobs for 21 waste workers.

The municipal conservancy department continues to play a regulatory and coordinating role through the Waste Management Steering Committee. This meets regularly to discuss any emerging issues and review the progress of door-to-door collection services. The conservancy department continues to manage the sweeping of streets and drains, and collection of waste from some areas of the town, from vegetable markets and slaughter houses. The only recycling and reuse of organic waste is done by WORD, as all municipal waste for now continues to be disposed at an open dumping site where no further treatment, sorting or reuse takes place.

In Nepal, Practical Action has facilitated organic waste management under a public-private partnership model. For example, in Butwal Municipality, a private firm, Marry Gold Concern, collects and manages wastes from 400 households with a monthly service fee of NPR 50 (GBP 0.33) in an area called Ramnagar. The company employs three operators for collecting and managing waste from low income communities. A compost plant has been set up which processes up to 10 metric tonnes of organic waste and generate 5 metric tonnes of compost per month. In addition, recyclable waste, mainly plastic, is sold to scrap dealers, creating another source of income.

Recycling and Disposal by Forming Associations and Enterprises

In Bangladesh, collection services have been organised through existing local NGOs. In Nepal, Practical Action has instead helped to form different groups of Informal Waste Workers (IWW) such as street waste pickers, waste segregators, pheriya (dry waste pickers), scrap owners and door to door collectors.

We have worked intensively  with IWW from five municipalities of Kathmandu Valley. We have facilitated the establishment of a IWWs association called Samyukta Safai Jagaran (SASAJA), and the first waste workers’ cooperative with the same name. These organisations have distributed identity cards to members to increase their recognition as an ‘official’ part of the waste management system. We provided basic safety equipment to 5,622 IWWs, including rain boots/shoes, gloves, masks, raincoats, windcheaters with trouser and wrapper, aprons, cap etc. to minimize health risks.

Basic safety equipment is essential to minimize health risks to informal recycling sector.

Basic safety equipment is essential to minimize health risks to informal recycling sector.

Following capacity building and skill enhancement training from Practical Action, many of the IWW group members have established waste-based enterprises. For example, plastic tearing (PET bottle and carton crushing or pressing) for recycling and reuse; paper recycling and mechanical composting of organic waste. This approach has been scaled up in other municipalities in Chitwan and Rupadehi districts reaching around 350 IWWs there.

Reducing Waste through Home Composting

In Nepal and Sri Lanka, and in some slum communities in Bangladesh, we have promoted barrel composting of organic waste. This has the dual benefit of producing compost locally which can be used for home gardening, and reducing the amount of waste that needs to be collected and disposed of elsewhere.

It can reduce the amount of organic waste coming in to the waste collection stream by about 20-30%. It requires community involvement in waste management system as well as frequent monitoring and troubleshooting. This process ensures source segregation of waste, a necessary condition for proper implementation of the 3R system (reuse, reduce and recycle).

Practical Action has distributed more than 2,000 compost bins in Sri Lanka. Especially in Galle, Kurunegala and Akkaraipattu cities where we have distributed about 1,500 home composting bins from 2006 to 2016. More than 65% of the bins are being regularly used.

Our experience shows that once a locality is provided with home composting, the volume of organic waste into the municipal collection system is reduced around 20-30%. However, this varies greatly by locations. If the local authority strictly monitors the compost bin usage and provides troubleshooting support, waste reduction can reach up to 30%.

Both Kurunegala and Galle municipal councils have upscaled the distribution of bins city-wide with the support of national government funding. This technology was taken up by the private sector and other municipal councils. It has been used widely in the country as a solution for reducing organic waste coming in to the waste collection system. For example, Kandy municipal council has adopted the technology with strict restriction on organic waste collection in the municipality collection system.

The Provincial Agriculture department in Kurunegala and the Coconut cultivation board in Akkaraipattu are both promoting organic agriculture with the usage of composting and are using Practical Action’s work as examples for expansion. The central government has provided seeds and fertilizer to city dwellers, including the urban poor, to promote home gardening.

This has been further expanded by Kurunegala municipal council which has distributed potted plants. Some of the vertical gardening structures promoted by Practical Action are now included in urban gardening models of the Western Province Urban Agriculture unit.

Waste Management in SAARC: Priorities and Cooperation

waste-dump-bangladeshWaste management in the SAARC countries has occasionally been raised as an area for regional co-operation. It fits in with other more pressing regional concerns such as environmental degradation, food safety, power generation, poverty alleviation and trans-boundary technology transfer. The Dhaka Declaration on Waste Management of 2004, for example, recognises the environmental imperative to promote more effective waste management systems ‘with special attention to addressing the needs of the poor’.

Similarly, the SAARC action plan on Climate Change of 2008 listed waste management as an area for nationally appropriate mitigation actions where regional sharing of best practices could be useful. The 2010 convention on co-operation on the environment, also included waste management among a list of 19 areas for the exchange of best practices and knowledge, and transfer of eco-friendly technology. However, these commitments have rarely turned into concerted action.

Effectively tackling the growing waste management crisis has not proved easy for most municipalities. Their capacity to cope has not kept pace with the increasing quantities of waste generated, and yet waste management can be one of the biggest costs of municipal budgets. Often they are able to collect waste only from limited areas of their towns. For the South Asia region, waste collection rates are on average 65%, with wide variations between towns.

At the same time, there is often a very active recycling system through waste pickers and the informal sector, involving large numbers of poor people. Large schemes to recycle, separate and produce useful end-products such as compost have often run into problems if they relied too heavily on donor inputs. Once these were phased out they failed to generate sufficient income from sales to be sustainable.

A municipal drain choked by garbage in north Indian city of Aligarh

A municipal drain choked by garbage in north Indian city of Aligarh

Two global agreements signed in 2015 may help to raise the profile and stimulate greater action on solid waste management. First, the Sustainable Development Goals which include a goal focused on cities and sustainable urban development. Within this, target 11.6 is to “by 2030, reduce the adverse per capita environmental impact of cities, including by paying special attention to air quality and municipal and other waste management”. This is the first time a global agreement of this sort has included commitments on waste management. Second, the Paris Climate Agreement, with a number of South Asian countries including better management of urban waste as part of their Intended Nationally Determined Contribution.

Solid waste management is already a significant concern for municipal governments across the South Asian region. It constitutes one of their largest costs and the problem is growing year on year as urban populations swell. And yet it is an area that has not received the attention it deserves from policy-makers. There are signs this may change, with its inclusion in the SDGs and in many INDCs which are the basis of the Paris Climate Agreement.