Pipeline company TransCanada submitted the application to the U.S. federal government necessary to build Keystone XL across the U.S.-Canadian border more than six years ago. The project has faced stiff opposition from climate groups worried about the effects the heavier grade of Canadian crude oil would have on the environment. A memo sent to President Barack Obama from seven environmental groups, led by the Natural Resources Defense Council and Oil Change International, argues the pipeline would add to the development of Canadian crude oil and subsequently add millions of tons of carbon pollution to the atmosphere. “Market forces and the latest climate science make it clear Keystone XL shouldn’t be approved because it would drive up carbon pollution, making climate change worse and jeopardizing our future,” Anthony Swift, […]