Clinton is currently reviewing a number of cross-border pipeline projects including the Alberta Clipper, and has authority to approve or deny the pipelines. Canada is the biggest foreign oil supplier to the U.S. with 1 million barrels of oil exported each day.

ForestEthics joined with Sierra Club to encourage public opposition to the projects that would undermine international climate leadership and the current shift toward a clean energy economy.

The groups argue oilsands production generates up to five times more greenhouse gas emissions than conventional oil.