"Los Alamos National Laboratory must capture and eliminate toxic runoff from over 400 waste dump sites that discharge pollutants to the Rio Grande, a source of drinking water for Santa Fe, under a settlement agreement reached Thursday with community groups."

"The Obama administration announced Wednesday that it will impose stricter pollution controls on millions of acres of wetlands and tens of thousands of miles of streams."

"Aiming a legal shot directly across the bow of Gov. Rick Scott’s anti-regulation agenda, a Miami federal judge on Tuesday cleared the way for the federal government to do something he contends the state has failed to do for decades: Enforce water pollution standards tough enough to protect the Everglades."

"When Chesapeake Energy lost control of a Marcellus Shale gas well in Pennsylvania on April 19, an emergency response team from Texas was called in to stop the leak. By the time the team arrived more than 13 hours later, brine water and hydraulic fracturing fluids from the well had spewed across nearby fields and into a creek."

"Texans pride themselves on being the heart of the nation’s oil and gas business. But even here, public concern about natural gas drilling is growing."

"Gov. Rick Scott authorized state officials Friday to ask the federal Environmental Protection Agency to back off on water pollution rules that Florida business and agriculture interests as well as many local government officials say will be too costly to implement."

"It's gold vs. golden trout. And gold vs. coho salmon. And gold vs. Shasta crayfish. The California Department of Fish and Game is wrestling – under court order – with a new set of rules to control suction dredge mining in the state's rivers and streams."

"Though the only natural gas drilling company active in Idaho today has no plans to employ a method blamed around the country for polluting drinking water, industry officials say other companies could one day."