"Six Massey Energy management personnel -- including the company's corporate safety director -- have filed suit challenging subpoenas that would force them to answer questions about the April 5 explosion that killed 29 workers at Massey's Upper Big Branch Mine."

"Louisiana Democrat Mary Landrieu today vowed to block the Senate's confirmation of a top White House nominee until the Obama administration takes action on its deepwater drilling moratorium."

"The oil giant nears an agreement to dispense $500 million through an alliance overseen by gulf state governors. Critics fear expertise elsewhere will be overlooked."

Despite some bad wildfires, the 2010 fire season overall has been less severe than many recent years.

"The Obama administration's bid to strengthen federal pipeline oversight is raising questions from environmental groups as well as industry, suggesting that safety reforms could fail to reach a legislative fast track despite three recent high-profile ruptures along the 2.3 million miles of U.S. oil and gas lines."

"A Valdez-based citizen watchdog group told legislators Tuesday that the state's arsenal of oil-response equipment lags behind modern technology and the state division that enforces the rules for preventing and cleaning up spills has an 'ever-worsening funding shortage.'"

"Citing a 'grave danger' to the nation's coal miners, the Obama administration said Tuesday that mine operators must take additional steps to control the buildup of highly explosive coal dust underground."