The greatest problem of water conservation is to reduce the amount of

Loss of forest,urbanization,and increasing pollution are all due to:

$A$: $A$ few toxic substances often present in industrial waste waters undergo biological magnification.
$R$: $A$ toxic substance can easily be metabolised or excreted by an organism.

Consider the following statements:
$(a)$. $40\%$ of the forest has been lost in the tropics.
$(b)$. $JFM$ was introduced in $1965$ by the $UNCED$.
$(c)$. The Bishnoi community belongs to Odisha and played a major role in the conservation of forests.
$(d)$. The Chipko movement started in the Garhwal Himalayas.

Approximately $P$ fraction of the solar radiation reaching the Earth is reflected by clouds and gases,and another $Q$ fraction is absorbed by them.

Which of the following strategies is not a correct approach to reduce global warming?