"… ned to handle about 400,000 barrels per day of dense crude from Canada’s oil sands. Environmental groups say the extraction and processing of this heavier cr …"

"… n increased 57 percent “largely due to increased activity in the Alberta oil sands,” says Canada’s 2009 National Inventory Report on greenhouse gases. Si …"

"… Report on greenhouse gases. Since 1990, emissions from Alberta’s mining oil sands plus oil and gas extraction increased more than 600 percent. And only 3.6 …"

"… as extraction increased more than 600 percent. And only 3.6 percent of the oil sands region has been tapped.The greenhouse gas emissions from just one tar sand …"

"… itude was underscored last month when the CEO of one of Canada’s largest oil sands owner, the Canadian oil sands Trust, toured Canada with the message t …"

"… American jobs while reducing U.S. dependence on foreign oil. The American Petroleum Institute, the oil industry’s lobbying arm, argues that the environment …"

"… ts route.Climate activists note that refining fuel from Canada’s viscous oil sands, as they’re also known, releases around three times more carbon dioxide …"

"… Carbon dioxide emissions are the leading driver of climate change.Canadian oil sands-mining also removes vast swaths of carbon-absorbing boreal forests and lea …"

"… .“Is it a setback? Yes,” Emerson said. “Does it spell the end of the oil sands development? No.”She predicts that America’s northern neighbor wi …"