Greenhouse Gas (GHG) – Environment Canada

As part of the Government of Canada's National Implementation Strategy on Climate Change, Environment Canada's Greenhouse Gas Division, Canada's central agency responsible for monitoring and reporting sources and sinks of greenhouse gases, has assumed additional responsibilities in support of domestic climate change actions and in support of Canada's commitments under the United Nations Framework Convention on Climate Change (UNFCCC).

http://www.ec.gc.ca/pdb/ghg/