Since taking office in 2006, the Canadian Conservative Party government led by Prime Minister Stephen Harper has reduced greenhouse gas emissions from 749 to 726 (Mt) of carbon dioxide equivalent (CO2 eq). From 1993 until 2006, the previous liberal government increased greenhouse gas emissions from 600 to 749 (Mt) of carbon dioxide equivalent (CO2 eq).

Copied from Wikipedia.  Original source:

http://www.ec.gc.ca/indicateurs-indicators/default.asp?lang=en&n=FBF8455E-1