Today,the concentration of greenhouse gases is very high because of:

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.

The major pollution-causing agent is:

Identify the correctly matched pair.

The Chipko movement is related to the conservation of forests in:

Which of the following is a non-renewable resource?