Canada's main crude-producing province Alberta unveiled new rules on Wednesday on how it would charge large industrial emitters including the oil sands sector for carbon output, saying emissions will be cut by 19 percent by 2030.
Exxon Mobil Corp urged Massachusetts' top court on Tuesday to block the state's attorney general from obtaining records to investigate whether the company for decades concealed its knowledge of the role fossil fuels have on climate change.
A U.S.regulator's preliminary investigation into the biggest oilpipeline spill this year has raised a red flag that couldtrigger an extensive and costly inspection of tens of thousandsof miles of underground energy lines.
