Pollution

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Pollution

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Pollution, contamination of the environment as a result of human activities. The term pollution refers primarily to the fouling of air, water, and land by wastes (see air pollution; water pollution; solid waste). In recent years it has come to signify a wider range of disruptions to environmental quality. Thus litter, billboards, and auto junkyards are said to constitute visual pollution; noise excessive enough to cause psychological or physical damage is considered noise pollution; and waste heat that alters local climate or affects fish populations in rivers is designated thermal pollution. The 20th cent. has seen pollution approach crisis proportions throughout the world. At issue is the capacity of the biosphere to disperse, degrade, and assimilate human wastes (see ecology). The biosphere is a closed ecological system with finite resources and is maintained in equilibrium by grand-scale recycling. Under natural conditions organic and certain inorganic materials in the biosphere are continually recycled by processes including photosynthesis and respiration, nitrogen fixation and denitrification (see nitrogen cycle), evaporation and precipitation, and diffusion by wind and water action. But the introduction of massive quantities of waste matter at any point in the biosystem may overload it, disrupting the natural recycling mechanisms. (http://www.reference.com/browse/columbia/pollutio)

For or Against Wind farms
In Saddleworth, near Greater Manchester, an eco-war is waging. United Utilities want to build seven 350 foot wind turbines.

Nuclear Power Its Back
According to the Guardian (Monday March 27, 2006) the overwhelming majority of leaders at last weeks European Union summit, including Tony Blair, strongly backed a revival of nuclear power as the answer to Europes growing dependence on overseas supplies and to combat climate change.

Renewable Energy
Powering everything with solar energy isnt possible just yet, since the UK doesnt produce enough sunlight to do this.

What are asthma triggers and how can the condition be managed effectively
Excellent advise for asthma sufferers into the management of their condition; how to recognise the symptoms and thus avoid the triggers - especially in children.

Now Encapsulate Contaminated Materials to Remedy Pollution Problems
Remediation of pollution can be expensive and technically difficult. Now many state and local pollution control agencies have found that encapsulating contaminated concrete is the most economical and long lasting solution for existing contamination. 100% solid epoxy can seal contaminants into the concrete with layers of 10 to 100 mils thick. In effect, the encapsulation works like an insect trapped in amber. Solids, gasses, and liquids are all trapped inside a solid hard capsule. Contaminants can thus be left in place, with no danger to crews that might have had to work in close proximity to remove them.

Natural Environmentally Friendly Household Cleaners
Many people use a vast array of chemical-laden household cleaners and products around the home on a daily basis. What they may not be aware of is the fact that many of these chemicals can be damaging to their health when inhaled.

Water Filters and Purifiers What are the health benefits
Water filters, purifiers and water filtration systems convert ordinary tap water into perfectly safe drinking water. They remove impurities and contaminants by means of a fine physical barrier or a chemical process.