Greenhouse effect is the phenomenon responsible for heating of the earth due to the presence of certain gases in the atmosphere. Greenhouse gases (C02 CH4 N20 and CFCs) allow the solar radiations to enter, but prevent the escape of heat radiations of longer wavelength. When these greenhouse gases increases4n concentration in the atmosphere, global warming occurs .
Depletion of ozone layer occur due to increased level of CFCs. CFCs react with UV-rays in stratosphere to release chlorine atoms. Cl degrades ozone and releases molecular oxygen. CFCs have permanent and continuous effect as Cl atoms are not consumed. This leads to thinning of ozone layer. As a result, harmful radiations enter the earth’s atmosphere, which causes rise in temperature and thus, global warming results.
Explain greenhouse effect and depletion of ozone layer with reference to global warming.
Answers
VIJAY BHASKAR REDDY
Greenhouse effect is the phenomenon responsible for heating of the earth due to the presence of certain gases in the atmosphere. Greenhouse gases (C02 CH4 N20 and CFCs) allow the solar radiations to enter, but prevent the escape of heat radiations of longer wavelength. When these greenhouse gases increases4n concentration in the atmosphere, global warming occurs .
Depletion of ozone layer occur due to increased level of CFCs. CFCs react with UV-rays in stratosphere to release chlorine atoms. Cl degrades ozone and releases molecular oxygen. CFCs have permanent and continuous effect as Cl atoms are not consumed. This leads to thinning of ozone layer. As a result, harmful radiations enter the earth’s atmosphere, which causes rise in temperature and thus, global warming results.