The United Nations Framework Convention on Climate Change (UNFCCC) was adopted in which year?
A
1990
B
1992
C
1994
D
1997
Correct Answer: Option B — 1992
Explanation:
The UNFCCC was adopted in 1992 at the Earth Summit in Rio de Janeiro Brazil and entered into force in 1994. It is the parent treaty for international climate agreements including the Kyoto Protocol and the Paris Agreement providing the legal framework for global climate action.