Solution

(a) Pressing environmental concerns of India: Global warming is a gradual increase in the average temperature of the earth’s lower atmosphere as a result of the increase in greenhouse gases due to industrialisation in recent times.
 Ozone Depletion. The depletion of ozone layer has been caused by high levels of chlorine and bromine compounds in the stratosphere. It causes skin cancer, and lowers the production of acquatic organisms.
 Environmental Crisis. The rising population of the developing countries and the affluent • , consumption and production standards of the developed world have put a great stress on the environment in terms of its functions of supplying resources and assimilating waste.
 Massive Overuse and Misuse of Environmental Resources. There is massive overuse and misuse of environmental resources which results in deforestation, land degradation, ozone depletion and global warming.
(b) The correction of environmental damages involve huge opportunity cost. It is the cost of alternative opportunity given up. The country has to pay huge amount for damages done to human health. The helath cost due to degraded environmental quality have resulted in diseases like asthma, cholera, etc. Huge expenditure is incurred on treating the diseases.