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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Baseline

The baseline of a project is the scenario that represents the level of anthropogenic emissions/removals of CO2 equivalent that would occur in the absence of the proposed project activity. It serves as a basis for both verification of additionality and...

Additionality

Criteria established by Article 12 of the Kyoto Protocol, to which the projects developed through the Clean Development Mechanism are subject. Under this criterion, an activity must prove to result in the reduction of greenhouse gases emissions or the increase of...

COP

Conference of the Parties, countries who are signatories to the UN Climate Change Convention. With the entry into force of the Climate Change Convention in 1994, representatives of the signatory countries started to meet annually at the Conferences of the Parties...