Correct option is A
The RIO Declaration on Environment and Development was made in June 1992. This declaration was a key output of the United Nations Conference on Environment and Development (UNCED), commonly known as the Earth Summit, held in Rio de Janeiro, Brazil.
Information Booster:
The Rio Declaration consists of 27 principles intended to guide sustainable development around the world. It emphasizes the need for global cooperation in tackling environmental challenges while ensuring economic development and social equity.
Additional Knowledge:
· December 1989: Does not relate to the Rio Declaration but other international environmental discussions.
· June 1997: Associated with the Kyoto Protocol discussions.
· September 2002: Relates to the Johannesburg Summit (Rio+10).
