To ask the Secretary of State for Energy and Climate Change what recent estimate his Department has made of the level of carbon dioxide emissions resulting from the full exploitation of the oil sands in Canada. (264575)

Data contained in the fourth assessment report of the Intergovernmental Panel on Climate Change suggest that the hypothetical full exploitation of energy in unconventional oil resources globally would release in excess of 2,670 billion tonnes of carbon dioxide. The Government have not made a separate estimate for the oil sands of Canada.