BRUSSELS (Reuters) - The European Union proposes legislation to label crude oil derived from Canada's vast reserves of tar sands, as well as from other sources of unconventional oil, as highly carbon ...

Canada’s tar sands are the fourth-largest oil deposit in the world, but separating the bitumen creates large volumes of toxic wastewater, which is stored in tailings ponds that now cover 270 km² (104 ...

Exploitation of North America’s shale and tar-sand oil reserves could increase atmospheric CO2 levels by up to 15%, a new report from WWF-UK and the major UK financial group Co-Operative Financial ...

GU Fossil Free filed a proposal November 6 calling for divestment from tar sands oil companies. A proposal by student group GU Fossil Free calling on the university to avoid investments in tar sands ...

If it is ever built, the Keystone XL Pipeline will exist for one reason: To move Canadian tar sands oil from remote Alberta to refineries in Texas. For the U.S., controversy over the tar sands is ...