"The U.S. House voted Wednesday to grant states the authority to regulate the disposal of ash from coal-fired power plants and to roll back some of the new federal safety standards scheduled to take effect later this year."

"The D.C. Circuit Court of Appeals has upheld an Environmental Protection Agency (EPA) rule on emissions of certain toxic air pollutants at manufacturing plants."

"Senior U.S. health officials have squelched a Food and Drug Administration proposal that for the first time would have curbed dentists’ use of mercury – one of the planet’s nastiest toxins because it attacks the central nervous system – in treating Americans’ decayed teeth."

"House Republicans have unveiled a package of bills aimed at bringing the country’s energy infrastructure, reliability and other energy matters into the modern era."

"The wind energy industry won a key victory Tuesday in the Senate Finance Committee that extended an important tax credit for renewables."

"Negotiators working toward the Paris talks debate whether strict requirements will endanger cooperation, particularly from the U.S."

"Will the bills seeking to amend the Toxic Substances Control Act really protect Americans?"

"The nation’s top pipeline regulator has taken too long to impose congressionally ordered safeguards, including changes that could have blunted the impact of a recent spill in California, lawmakers said Tuesday."

"Environmental groups on Tuesday urged the U.S. government not to grant Royal Dutch Shell final permits for Arctic oil exploration after an icebreaker with safety equipment to cap wells was put out of action."