A number of environmental problems are continuing as a major part of our concern. Habitat destruction and fragmentation, biodiversity loss, stratospheric ozone depletion, global climate change, herbicides, pesticides, pollution of surface- and ground-water, acid deposition, oil spills, and thermal pollution are direct environmental problems.

Human population growth, unsustainable consumerism, urbanization, international conflicts, and inequities in the distribution of wealth are indirect environmental problems. All such problems are presently being viewed in a totality, to ameliorate the said problems, and to ensure the future of life on earth. Expansion of chemical industries, during and after World War II, has aggravated such problems. “Silent Spring” written by Rachel Carson awakened about pollution threats to living species.

Read the rest of this entry »