An analysis of a decade's worth of data kept by the Alberta Energy Regulator suggests the agency has made unsubstantiated claims about the success of oilsands tailings spills cleanup.

An oil slick first spotted over a week ago has spread to pollute around 40 kilometres of West Coast beaches, now threatening ...

EPA Director Wes Ford said crews have already removed about 5,000 litres of oily water from the underground tank where the ...