"EPA's preliminary findings on an air pollution standard with widespread public health implications are being bluntly rejected by most members of a key advisory panel."

"Craig Bettenhausen is terrified every time it rains. After a storm, the junior warden knows what might await him at North Baltimore’s Church of the Guardian Angel: a putrid stench and gray-brown bubbling waste coating the basement floors."

"It was a display of kindness that should have been heartwarming. Instead, Frederick Douglass Elementary School teacher Alison Marcus just felt queasy."

"Within a year, Oklahoma could get approval from EPA to start issuing permits that will allow the oil industry to dispose of briny oil field waste in waterways, alarming environmentalists and making it the first of three Southwestern states to step into a thorny regulatory landscape closely watched by the industry."

"A big oil spill from the Keystone Pipeline in North Dakota last week has hardened opposition to the controversial Keystone XL expansion among landowners along its route, who say they hope to use the incident to help block or stall the project in court."

"Over the course of three years, NASA flew a plane carrying gas-imaging equipment above California and made a discovery that surprised even the state’s own environmental agencies: A handful of operations are responsible for the vast majority of methane emissions."

"Attorneys arguing before the Supreme Court today attempted to turn water into whiskey. The justices searched for a standard of controlling pollution that travels through groundwater that would block regulated entities from evading the Clean Water Act while avoiding a significant expansion of the statute's federal permitting requirements."