When was first earth summit held?

Correct option is A

The correct answer is (a) 1992

The first Earth Summit was held in 1992 in Rio de Janeiro, Brazil.
Officially known as the United Nations Conference on Environment and Development (UNCED), it focused on sustainable development and environmental protection.

Key outcomes included:

• Agenda 21: A comprehensive action plan for sustainable development.
• Rio Declaration: Principles guiding sustainable development.
• UN Framework Convention on Climate Change (UNFCCC): A treaty addressing climate change.
• Convention on Biological Diversity (CBD): Promoting biodiversity conservation.

Additional Information:
Legacy:

• Sparked global awareness and action on sustainable development.
• Inspired future summits like the Kyoto Protocol (1997) and Rio+20 (2012).
• Strengthened international cooperation on climate change and environmental conservation.