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.

• A
  $a$ and $c$ are correct
• B
  $b$ and $c$ are incorrect
• C
  $c$ is correct
• D
  $c$ and $d$ are correct