Multiple choice general knowledge science & technology

Which landmark global conference was the FIRST major step towards a global agreement on greenhouse gas emissions reduction and the first to recognize the atmosphere as a natural resource?

  1. The Vienna Convention in 1985

  2. The Montreal Protocol in 1987

  3. The 'Earth Summit' in Rio in 1992

  4. The Florida Summit in 1990
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C Correct answer
Explanation

The 1992 Rio Earth Summit (UN Conference on Environment and Development) was the first major global conference to establish the UN Framework Convention on Climate Change (UNFCCC), representing the first step toward coordinated greenhouse gas reduction. The Vienna Convention (1985) and Montreal Protocol (1987) addressed ozone depletion, not climate change.

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