Internal docs reveal that Canada's Exxon subsidiary knew about climate change risks and lied about it for decades

Imperial Oil is Exxon's Canadian subsidiary, with control the majority of Canada's tar sand oil -- the filthiest, most climate-damaging oil in the world. Calgary's Glenbow Museum has a largely unregarded archive of historical internal Imperial Oil documents, which were retrieved by Desmog and the Climate Investigations Center and turned over to The Intercept. Read the rest