Environment The trillion-gallon loophole: Lax rules for drillers that inject pollutants into the earth By ProPublica September 24, 2012 - As the boom in oil and gas drilling sends a surge of waste into underground injection wells, safeguards for disposing of these materials are sometimes being ignored or circumvented.
Environment Coal ash disaster continues to unfold in Tennessee By Sue Sturgis January 22, 2009 - A month has passed since a coal ash waste dam collapsed at
