"Supreme Court justices on Tuesday wrestled with the sensitive issue of whether a thirsty Texas water district has the right to access water across the Oklahoma state line."

"Wisconsin Power & Light Co. and three other utilities will spend $1.2 billion to clean up coal-fired power plants and shut down older plants under a settlement announced Monday with federal regulators."

"As the Obama administration launches a broad investigation of flame retardants used in furniture and other household goods, the nation's top environmental regulators are running into the limitations of a federal law that makes it practically impossible to ban hazardous chemicals."

"TALLAHASSEE -- The state of Florida filed a lawsuit Saturday against the oil company BP and the cement contractor Halliburton over the Deepwater Horizon oil spill, becoming the fourth state to seek damages for the 2010 disaster."

"Many Americans assume that the chemicals in their shampoos, detergents and other consumer products have been thoroughly tested and proved to be safe. This assumption is wrong."

"The fire that destroyed part of Chevron's Richmond refinery happened because weak state regulations allowed the company to monitor rather than simply fix potential problems, federal investigators said Monday."

"SAN PEDRO, Calif. -- If there's a computer on your desk, a Sony television in your den or a pair of Nike sneakers on your feet, you're connected to Pier 400 at the Port of Los Angeles here."

"Friendliness toward the drilling industry is typical for Texas, where many lawmakers receive campaign contributions from oil and gas groups or have investments in drilling companies. The three elected members of the Railroad Commission of Texas, which oversees the oil and gas industry, have received significant contributions from the very industry they regulate."