Ecological contamination is one of the most genuine worldwide difficulties. Wild-type life forms have a more slow corruption pace of perilous materials. Right now, progressed atomic science devices alongside ordinary methodologies permit us to quickly debase or amass perilous materials from situations. This can help change microorganisms to pick up the capacity to detect and corrupt perilous synthetic compounds from polluted destinations, thusly, permitting us to develop vegetation and improve crop efficiency. In this part, customary and progressed sub-atomic science devices for the expulsion and detoxification of contaminants from soil and water to improve ecological conditions are featured. Ecological contamination is the horrible modification of our environmental factors, completely or to a great extent as a side-effect of man's activities, through immediate or roundabout impacts of the adjustments in the vitality design, radiation levels, and concoction and physical constitution and bounty of life forms. Natural contamination is a worldwide issue and is normal to both created just as creating nations, which pulls in the consideration of people for its serious long haul outcomes. The decrease in natural quality as an outcome of contamination is prove by loss of vegetation, organic decent variety, extreme measures of hurtful synthetic compounds in the encompassing climate and in food grains, and developing dangers of ecological mishaps and dangers to life emotionally supportive networks. Contamination is seen from various edges by various individuals yet is generally consented to be the result of urban-mechanical and innovative unrest and ravenous and expedient misuse of normal assets, expanded pace of trade of issue and vitality, and ever-expanding modern squanders, urban effluents, and shopper merchandise. Holdgate (1979) characterized ecological contamination as the presentation by man, into the earth, of substances or vitality subject to cause obstruction with real employments of condition. Singh (1991) has characterized contamination in an exceptionally straightforward way, i.e., "Disequilibrium condition from balance condition in any framework." This definition might be applied to a wide range of contamination running from physical to financial, political, social, and strict.