Plastic has become the most common material since the beginning of the 20th century and modern life is unthinkable without it. Unfortunately, what makes it so useful, such as its durability, light weight and low cost, also makes it problematic when it comes to its end of life phase due to its non-biodegradable nature. In
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Solid waste management is Nairobi’s most visible environmental challenge. Rubbish heaps piled high with paper, plastics and other waste are an everyday feature of the city’s landscape. Dirty, torn plastic bags are seen wedged stubbornly into roadside features such as drainage, pavements and shrubbery in poor and more affluent areas alike. With a growing population,
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Basically paper is made from cellulose fibers derived from plants. Cellulose consists of glucose chains which form the building block for most plant materials. The fibre in both wood, grass and other fibrous plants such as hyacinth weed is made of cellulose. These fibers are bound together to form parenchyma (are thin-walled cells that make
read moreThe last stage of the waste hierarchy is to recycle. To recycle something means that it will be transformed again into a raw material that can be shaped into a new item. There are very few materials on the earth that cannot be recycled. One of the issues facing communities that want to become more
read moreThe concept of reducing what is produced and what is consumed is essential to the waste hierarchy. The logic behind it is simple to understand – if there is less waste, then there is less to recycle or reuse. The process of reducing begins with an examination of what you are using, and what it is used
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