Provide the full names for the following abbreviations:
$(i)$ $JFM$
$(ii)$ $CPCB$

The Kyoto Protocol has specified the commitments of different countries to:

List all the wastes that you generate at home,school,or during your trips to other places. Which could you very easily reduce? Which would be difficult or rather impossible to reduce?

Arrange $CFC, CH_4, N_2O$ and $CO_2$ in decreasing order according to their contribution in the greenhouse effect.

Internationally,it is recognized that desertification is a major problem nowadays,primarily due to which of the following?

Match the following columns:

Column-$I$	Column-$II$
$(a)$. Ozone thickness	$(i)$. $UV$ rays
$(b)$. $CFC$	$(ii)$. Refrigerator
$(c)$. $El$ Nino effect	$(iii)$. Temperature increase
$(d)$. Skin cancer	$(iv)$. Dobson unit