Entry into force

Intergovernmental agreements, including protocols and amendments, are not legally valid until ratified by a certain number of countries. For the UNFCCC creation, it took 50 countries; as for ratifying the Kyoto Protocol, at least 55 countries were required (together representing 55% of Annex 1 emissions in 1990). The Paris Agreement entered into force after at least 55 Parties to the Convention accounting in total for at least an estimated 55% of the total global greenhouse gas emissions have deposited their instruments of ratification.

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See also

Carbon sinks

Carbon sinks

Any processes, activities or mechanisms, including biomass, and especially forests and oceans, which have the property of removing a greenhouse gas, aerosols or precursors of greenhouse gases from the...

The Brazilian Climate Observatory

The Brazilian Climate Observatory

The Brazilian Climate Observatory (Observatório do Clima, OC) is a Brazilian network of articulation on global climate change established on March 23, 2002. In addition to discussions with experts on climate change, the Observatory promotes the articulation of...