A study carried out by H C Agarwal, P K Mittal, K B Menon and M K K Pillai of the department of zoology, University of Delhi, published in August 1985, traced DDT residues in water, bottom sediments
The answer to the whole issue of murky rivers lies in preventing their pollution, rather than polluting them first and then treating the raw river water for drinking purposes
Three officials of the Marcopper Mining Corporation in the Philippines have been named in a criminal prosecution launched by the Philippine government last month. The officials have been accused of