The Kyoto Protocol was endorsed at:

The average concentration of $CO_2$ in the atmosphere is

Snow-blindness in the Antarctic region is due to

Match the columns :

Column - $I$	Column - $II$
$(1)$ Nitrous oxide	$(a)$ Secondary pollutant from car exhaust.
$(2)$ Chlorofluorocarbons	$(b)$ Combustion of fossil fuels,wood etc.
$(3)$ Methane	$(c)$ Denitrification
$(4)$ Ozone	$(d)$ Refrigerators,aerosols,sprays
$(5)$ Carbon dioxide	$(e)$ Cattle,rice fields,toilets

The Ministry of Environment and Forest has initiated the Ganga Action Plan and Yamuna Action Plan:
$(i)$ To save these major rivers of our country from pollution.
$(ii)$ It is proposed to build a large number of sewage treatment plants.
$(iii)$ Under these plans,only treated sewage may be discharged into the rivers.

Which of the following is not properly matched?