by admin | Jun 4, 2015 | sem3
role of an individual in prevention of pollution Over population and pollution are potent ecological forces impinging upon man by affecting the quality of the environment. All efforts aimed at bringing more and more people above the poverty line actually increase the...
by admin | Jun 4, 2015 | sem3
Nuclear hazards Radionuclides are elements (uranium 235, uranium 283, thorium 232, potassium 40, radium 226, carbon 14 etc.) with unstable atomic nuclei and on decomposition release ionizing radiations in the form of alpha, beta and gamma rays. Out of the known 450...
by admin | Jun 4, 2015 | sem3
Thermal pollution Thermal pollution is the degradation of water quality by any process that increases the ambient water temperature. The increase in temperature (a) decreases the dissolved oxygen/ oxygen supply, and (b) affects ecosystem composition. Sources of...
by admin | Jun 4, 2015 | sem3
Noise pollution Noise has become a permanent part of our life these days because of the development of machinery, industry and technology. Noise harms the body and mind. Noise not only cause irritation or annoyance but it constricts our arteries, increases the flow of...
by admin | Jun 4, 2015 | sem3
Marine pollution Marine pollution refers to the emptying of chemicals or other particles into the ocean and its harmful effects. A critical problem arises when the potentially toxic chemicals stick to tiny particles and these are taken up by plankton and benthos...
