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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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How paper is made

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

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