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Solid waste management cost for selected cities Solid waste management cost for selected cities
As garbage piles up, however much space we set aside for landfill, we are beginning to realise that producing waste at this rate is no longer viable. It is time for the three “Rs”: Reduce, Reuse, Recycle and integrated waste management. Waste management strategies are as diverse as waste itself. But whatever we do there is no escaping the “waste of waste” (unless we rein in our greed and buy less).
15 Dec 2006 - by Emmanuelle Bournay
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Municipal solid waste composition: for 7 OECD countries and 7 Asian cities Municipal solid waste composition: for 7 OECD countries and 7 Asian cities
In most countries in the world, organic materials and paper are the main contributors to municipal waste. In developing countries, large cities generate most of the municipal waste. Data are rarely available for rural areas, but factors like the type of energy source used for cooking and heating and seasonal differences play a part in the composition of waste (for example in rural communities in Mongolia there is a large difference between the vo...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
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Emissions due to solid waste disposal on land Emissions due to solid waste disposal on land
Landfi ling is the most common waste management practice, and results in the release of methane from the anaerobic decomposition of organic materials. Methane is around 20 times more potent as a GHG than carbon dioxide. If the disposal of organic matter were to be decreased (for example by composting or incineration) it would be possible to reduce the amount of methane emissions. However, landfill methane is also a source of energy, and some lan...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
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Municipal solid waste generation for selected large cities in Asia Municipal solid waste generation for selected large cities in Asia
Municipal waste is everything collected and treated by municipalities. Only part of it is comes from households, the rest is generated by small businesses, commercial and other municipal activities. So it is produced from both consumption and production processes. Like all waste, municipal waste is on the rise and it is growing faster than the population, a natural result of our increasing consumption rate and the shortening of product life-spans...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
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Packaging waste composition in the UK Packaging waste composition in the UK
According to Residua, a UK company working on solid waste issues, about 50 per cent of European goods are wrapped in plastic (17 per cent by weight). There are many types of plastic packaging: plastic bottles are often made of polyethylene terephthalate (PET), yoghurt pots are mostly polypropylene (PP), wrapping film, bin liners and flexible containers are usually low-density polyethylene (LDPE) and so on. This diversity partly explains why re...
15 Dec 2006 - by Emmanuelle Bournay
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Greenhouse gas emissions scenarios and surface temperature projections Greenhouse gas emissions scenarios and surface temperature projections
Climate change manifests itself primarily through a gradual increase in the average temperatures of the earth’s surface, alterations in precipitation patterns, changes in the intensity and/or frequency of extreme climatic events, a slow but significant reduction in the cryosphere (including glaciers) and a rise in sea levels. Available scientific evidence associates the phenomenon of climate change with increased concentrations of anthropogenic g...
22 Nov 2010 - by Nieves López Izquierdo, Associate Consultant UNEP/GRID-Arendal
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