A simulation of projected changes in annual mean temperatures from the period 1975 to 1995 to the period 2040 to 2060 is shown on this map. According to this projection, the Arctic would experience the greatest annual mean warming followed by other areas in northern Canada and central and northern Asia. Temperatures would generally increase as a result of projected increases in greenhouse gas concentration in the atmosphere. The results are based on climate change simulations made with the Coupled Global Climate Model developed by Environment Canada.