"U.S. regulators are giving the oil industry and other stakeholders more time to weigh in on a controversial proposal to stiffen standards for wells drilled on federal lands, Interior Secretary Sally Jewell pledged Thursday."

"Migration used to be a good strategy for animals to find the best food, but a recent study appears to show that climate change and human interference favor animals that stay put."

"The Environmental Protection Agency plans to announce targets for U.S. ethanol use in 2013 and 2014 this summer, an EPA official told lawmakers on Wednesday, even as critics of the program warned of a brewing fuel crisis."

"The Senate confirmed Sylvia Matthews Burwell as the new director of the White House Office of Management and Budget (OMB) at the end of April. Now Democrats in the House and Senate are calling on her to fix whatever's been delaying all the environmental, health, and safety rules at OMB for months (and in some cases, years)."

"On June 3, the Connecticut legislature passed a bipartisan GMO labeling bill, making it the first state to require food manufacturers to reveal whether their products include genetically engineered ingredients."

"Minneapolis, where 94% of residents live within a 10-minute walk of a park, has the U.S.' best park system, according to new rankings by a national non-profit conservation group."

"In what at least one expert is calling a 'very unusual' move, TransCanada Corp. is reportedly digging up and rebuilding dozens of sections of the already-completed part of the Keystone XL pipeline."

"The first tropical storm of the Atlantic hurricane season got a little stronger early Thursday as it headed toward Florida's western coast and a new tropical storm warning was issued for a swath of the U.S. East Coast."

A series of oil rigs in the Gulf of Mexico, damaged during a September 2004 hurricane, are still leaking in a "chronic" oil spill. SkyTruth brought the pollution to light using satellite imagery, aerial photography, and publicly available government data. The slicks are bigger than the company responsible is reporting.

"The federal government must spend at least $384 billion to improve the nation's drinking water infrastructure in order to ensure the safe delivery of water to Americans for the next 20 years."