The provincial government of Alberta, Canada, plans to invest $2 billion in carbon-capture technology designed to clean up -- in image and in fact -- the area's lucrative oil-sands industry. Premier Ed Stelmach said he will spend funds from the province's budget surplus to capture the carbon dioxide produced by oil-sands plants and pump it into underground reservoirs. Combined with another $2 billion investment in public transit, Stelmach says Alberta will reduce its greenhouse-gas emissions by some 5 million tons annually -- the equivalent of taking 1 million cars off the road.

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