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By Doreen Casey
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On June 28 via July 1 of 2006, a NATO complicated examine Workshop used to be held in Kyiv, Ukraine. This workshop introduced the head researchers in Fuzzy GIS jointly, either from NATO nations in addition to companion international locations. The workshop fascinated by how uncertainty and fuzziness should be larger modelled and carried out in Geographic info technology to assist selection makers make extra proficient offerings, specially as they pertain to environmental protection and safeguard.
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They include bacteria, actinomycetes and fungi. They decompose the complex compounds in the dead organic matter of plants and animals and again recycle the elements into the environment. Man-made Environment : Man is the most powerful environmental agent, spearheaded by modern technologies capable Fundamental Issues 35 of modifying the environment according to his needs to a great extent without taking into account to his needs to a great extent without taking into account its consequences. Increase in the scientific technologies which are the product of human brain is now deteriorating the environment.
1. , domestic sewage, heat etc. However, if these pollutants enter the environment in such large quantities that complete degradation of all cannot take place, then these become non-biodegradable pollutants and thus pollute the environment. 2. Non-biodegradable Pollutants : These pollutants are not normally acted upon by microbes or are acted upon very slowly and thereby pollute the environment. Such pollutants are harmful even in low concentration. These pollutants not only accumulate, but are often biologically magnified as they move in biochemical cycles and along food chains.
These include N2O, NO, NO2, N2O4 and N2O5. The nitrogen oxides form about 10% of air pollutants. Nitrogen oxide act on unsaturated hydrocarbon to form peroxyacyl nitrate (PAN). They are also responsible for forming photochemical smog. Alongwith SO2, nitrogen oxides cause acid rain. In the presence of moisture, nitrogen oxides have a corrosive effect on metals, marble and lime stone. The oxides possess mutagenic properties. They also cause eye irritation, respiratory troubles, blood congestion and dilation of arteries.
Environmental Science by Doreen Casey