The United Nations Framework Convention on Climate Change (UNFCCC) is an international environmental treaty adopted on 9 May 1992 and taken up at the Earth Summit in Rio de Janeiro in June 1992. The UNFCCC objective is to “stabilize greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic interference with the climate system.” It set up important annual reporting requirements, including annual meetings of the Conference of the Parties (COP) to assess and promote progress.