Greenhouse gas emissions are adversely affecting the earth's climate, a global common and a public good. The contribution of individual countries has a limited effect on the biosphere, implying that only globally coordinated efforts may result in significant climate improvements. The Rio Earth Summit (1992) and Kyoto Protocol (1997) are manifestations of international efforts to achieve sustainable development through efficient use of energy and incorporating more renewable sources in global economy. In this article, the author examines the energy-related emissions of greenhouse gases and the utilization of renewable energy sources in Canada with respect to Agenda 21 commitments. An overview of the results of Canada's policies on climate change since Rio in terms of energy consumption, various sources of energy, and emission rates of greenhouse gases is also presented. It is concluded that the current plans of the Canadian government to deal with greenhouse gas emissions have not been effective.