LYCOS RETRIEVER 
Pollution: Wastes
built 193 days ago
Pacific island countries, like the rest of the world, face serious problems with disposal of wastes and pollution. Organic and most metal wastes can be recycled, and this is practised in a limited way in most rural areas. Increased urbanisation and growing populations have accelerated problems with the collection and disposal of both solid and liquid wastes. Every year the importation of packaged consumer goods adds to the growing amount of non-biodegradable waste. Pollution from industrial waste and sewage and disposal of toxic chemicals are significant contributors to marine pollution and coastal degradation.
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Land pollution involves the depositing of solid wastes that are useless, unwanted, or hazardous. Types of solid waste include garbage, rubbish, ashes, sewage-treatment solids, industrial wastes, mining wastes, and agricultural wastes. Most solid waste is buried in sanitary landfills. A small percentage of municipalities incinerate their refuse, while composting is rarely employed.
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Soil pollution is mainly due to chemicals in herbicides (weed killers) and pesticides (poisons which kill insects and other invertebrate pests). Litter is waste material dumped in public places such as streets, parks, picnic areas, at bus stops and near shops.
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Industrial activities ... contribute to land pollution. For example, in open cast mining, enormous holes are dug in the ground and these form dangerously deep mining pools. Heaps of mining waste are left behind and these waste often contain many poisonous substances that will contaminate the soil.
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Wastes