By Jeff Spross on April 11, 2014
Enbridge Inc. and federal regulators say safety measures and monitoring have improved -- but many new pipeline safety rules have yet to be finalized, even as the pipeline moves ahead.
By Katie Valentine on March 28, 2014
At least 26 birds have been found dead so far, according to the Texas Parks and Wildlife Department.
By Katie Valentine on March 27, 2014
A BP refinery spilled up to 1,638 gallons of crude oil into Lake Michigan Monday.
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By Joanna M. Foster on March 27, 2014
The hope is that these new rules will restore protection for about 20 million wetland acres and two million miles of streams whose legal status was thrown into uncertainty during the Bush era.
By Katie Valentine on March 25, 2014
An Indiana official said a sheen of about 5,000 square yards was reported on Lake Michigan Monday afternoon.
By Ryan Koronowski on March 25, 2014
Loud, cacophonous booms sound across the Houston Ship Channel. It’s to keep the birds away from the thousands of barrels of oil spreading across Texas' "coastal treasure."
By Kiley Kroh on March 25, 2014
20,000 gallons of crude oil spilled from a damaged pipeline into a nature reserve in southwest Ohio, double the initial estimates.
By Emily Atkin on March 24, 2014
A look back at some of the most powerful images from the Exxon Valdez oil spill and the events that followed.
By Kiley Kroh on March 23, 2014
"This is an extremely serious spill ... It is a persistent oil."
By Katie Valentine on March 11, 2014
Tar sands has been leaking at the Alberta site for about 10 months now.