Activities implemented jointly (AIJ)

activities carried out under the Convention to mitigate climate change through partnerships between an investor from a developed country and a counterpart in a host country under a pilot phase that ended in the year 2000.


according to the Kyoto Protocol, gas emission reductions generated by Clean Development Mechanism and Joint Implementation project activities must be additional to those that otherwise would occur. “Additionality” is established when there is a positive difference between the emissions that occur in the baseline scenario, and the emissions that occur in the proposed project.

Assigned Amount (AA)

quantity of GHGs that an Annex I country can release in accordance with the Kyoto Protocol, during the first commitment period of that protocol (2008-2012).