"A Gulf of Mexico drilling rig has partially collapsed off the coast of Louisiana after catching fire because of a ruptured natural gas well, U.S. regulators said on Wednesday."

"After a three-decade delay, the U.S. Environmental Protection Agency has proposed the first controls that would significantly curb power plant discharges of toxic coal ash and sludge into the nation's waterways, according to a report by five national environmental organizations."

"Federal judges today upheld U.S. EPA's ozone air standard in a challenge from public health groups that said the agency ignored a scientific consensus pointing to a stricter limit."

"VANCOUVER, Wash. -- Port of Vancouver commissioners voted Tuesday to approve a lease for a Columbia River terminal that would take in crude oil by train from North Dakota and ship it to West Coast refineries."

"NEW ORLEANS -- The U.S. Court of Appeals for the Fifth Circuit has denied Transocean’s stay of judgment involving its refusal to turn over subpoenaed documents to the Chemical Safety and Hazard Investigation Board (CSB)."

"The U.S. program that pays farmers to idle fragile cropland soon will protect the smallest amount of land in a quarter-century, the government said on Monday, the result of several years of sky-high commodity prices that have encouraged farmers to plant as much as possible."

"Actor and former California Gov. Arnold Schwarzenegger is at work on a documentary on climate change and how it impacts the fire season. Mr. Schwarzenegger was in western Montana, profiling the Snake River Hotshots as they work on the lines of the 9.6-square-mile West Mullan Fire burning north of the town of Superior."

A federal court ruled that the Chevron company can have access to nine years of e-mail metadata from activists, lawyers, and journalists who criticized the company for drilling pollution in Ecuador.

"SALT LAKE CITY -- Animal-welfare activists filed a lawsuit Monday to overturn a Utah law that prohibits undercover filming while trespassing at farm operations, saying it restricts free expression."

"House Republicans proposed cutting the Environmental Protection Agency's budget by a third and denying funds for a key part of President Barack Obama's plan to combat global warming."