The proposed Keystone XL pipeline would bring Canadian oil to the Gulf of Mexico. Supporters say it would mean 20,000 jobs. Opponents worry about the impact on the vast Ogallala Aquifer, which supplies water to eight states.
Federal regulators had issued safety warnings about the condition of the pipeline in the Michigan oil spill that leaked nearly 1 million gallons of oil into the Kalamazoo River this week.
While Chicago Mayor Daley called an oil spill in the Kalamazoo River a bigger threat to Lake Michigan than Asian carp, many scientists disagree. Is the mayor playing politics, or is he on to something?
A Canada Goose covered in oil makes its way along the Kalamazoo River after a pipeline ruptured in Marshall, Mich. on July 27.
Michigan oil leak is not on the same scale as the BP oil spill in the Gulf of Mexico. But it is causing concern in southern Michigan.