UPSC 1995 › Environment & Ecology

“Monoculture of commercially viable trees is destroying the unique natural profile of ……… Thoughtless exploitation of timber, deforesting vast tracts for palm cultivation, destruction of mangroves, illegal logging by tribals and poaching only compound the problem. Fresh water pockets are fast drying up due to deforestation and destruction of mangroves.” The place referred to in this quotation is

Which one of the following does not belong to biosphere reserves set up so far?

Which one of the following fuels causes minimum environmental pollution?

“The final Agent Orange raid in Vietnam took place in 1970…. areas have begun to bloom again. But 19 years after the war’s end, it seems plain that Agent Orange is killing and maiming human beings, something it never intended to do. The apparent toxic fall-out from those clouds ... is a crop of human miseries including cancers, miscarriages and birth defects — that may persist for decades.” The offensive substance referred to in the above quotation is