2016 · Q79
The 'Paris Agreement' adopted in Conference of the Parties (COP 21) in December 2015 will be effective provided the document is signed by:
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- A51 UNFCCC parties accounting for at least 51% of global greenhouse gas emission
- B51 UNFCCC parties accounting for at least 55% of global greenhouse gas emission
- C55 UNFCCC parties accounting for at least 55% of global greenhouse gas emission
- D75 UNFCCC parties accounting for at least 51% of global greenhouse gas emission
Explanation
The Paris Agreement's entry-into-force clause required ratification by at least 55 UNFCCC parties accounting for at least 55% of global greenhouse gas emissions (the '55/55' double threshold), which was met in 2016. The 51-party or 75-party variants with 51% are incorrect. Hence option (C) is correct.