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Waste by country
Waste, unwanted or unusable material, varies in type and quantity in the different countries around the world.
==Developed nations==
Developed countries produce more waste per capita because they have higher levels of consumption. There are higher proportions of plastics, metals, and paper in the municipal solid waste stream and there are higher labour costs.〔"Solid Waste Management." 2005. United Nations Environment Programme. Chapter III: Waste Quantities and Characteristics, 31-38. .〕 As countries continue developing, there is a reduction in biological solid waste and ash.〔Diaz, L. et al. ''Solid Waste Management, Volume 2.'' UNEP/Earthprint, 2006.〕 Per capita waste generation in OECD countries has increased by 14% since 1990, and 35% since 1980.〔"Improving Recycling Markets." OECD Environment Program. Paris: OECD, 2006. 〕 Waste generation generally grows at a rate slightly lower than GDP in these countries. Developed countries consume more than 60% of the world industrial raw materials and only comprise 22% of the world's population.〔Baker, Elaine et al. “Vital Waste Graphics.” United Nations Environment Program and Grid-Arendal, 2004. < http://www.grida.no/publications/vg/waste/page/2853.aspx >.〕 As a nation, Americans generate more waste than any other nation in the world with 4.5 pounds (2.04 kg) of municipal solid waste (MSW) per person per day, fifty five percent of which is contributed as residential garbage.〔March 2008, Cashing in on Climate Change, IBISWorld〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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