The $UN$ Conference of Parties on climate change in the year $2011$ was held in

In Arcata,the integrated wastewater treatment was developed by creating a series of $6$ connected marshes. Its function is $............$

Eutrophication is caused by

$A$: Polyblend is a fine powder of recycled modified plastic.
$R$: The blend of polyblend and bitumen helps to increase road life by a factor of three.

The $UN$ Conference of Parties on climate change in the year $2012$ was held at

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Chipko Movement	$(1) \ 1987$
$(b)$ National Forest Policy of India	$(2) \ 1980$
$(c)$ Joint Forest Management	$(3) \ 1988$
$(d)$ Montreal Protocol	$(4) \ 1974$