The United Nations Framework Convention on Climate Change (UNFCCC) was adopted on May 9, 1992, at the Earth Summit in Rio de Janeiro, Brazil. It was opened for signature on June 4, 1992, and entered into force on March 21, 1994. The Convention serves as a foundational international treaty for addressing climate change and provides a framework for future climate negotiations and agreements.
When did United Nations Convention on Climate change publiched
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