"U.S. regulators have relied on flawed and outdated research to allow expanded use of an herbicide linked to cancer, and new assessments should be urgently conducted, according to a column published in the New England Journal of Medicine on Wednesday."

"During the five decades in which DuPont used and profited from C8, the company had only infrequently discussed the chemical with environmental authorities, and it kept most of its extensive internal research on the chemical confidential."

"U.S. crews battling a flurry of wildfires raging unchecked across the Pacific Northwest contended with high winds on Thursday, a day after three firefighters were killed and four others were injured in Washington state."

"Ten years ago next week, a terrifying hurricane stood perched atop the Gulf of Mexico. Katrina. It had rapidly intensified from a Category 3 into a deadly Category 5 monster and began its northward turn towards the Gulf coast—weakening, fortunately, but still driving a tremendous wall of water."

"The lobster population has crashed to the lowest levels on record in southern New England while climbing to heights never before seen in the cold waters off Maine and other northern reaches — a geographic shift that scientists attribute in large part to the warming of the ocean."

"Dozens of wildfires burning across the drought-parched U.S. Northwest on Tuesday have destroyed scores of structures, sparked evacuation orders for thousands of people, and killed at least 27 wild horses."

"The U.S. Environmental Protection Agency on Tuesday proposed new standards to cut greenhouse gas emissions and volatile organic compounds from oil and gas facilities, a key part of a broader strategy to cut methane emissions in the sector by 40 to 45 percent below 2012 levels in the next ten years."

"Democratic presidential candidate Hillary Clinton on Tuesday staked out her opposition to Arctic oil exploration, putting her at odds with the Obama administration one day after it approved drilling off Alaska."

"FRONT ROYAL, Va. — The five red panda cubs in large boxlike cribs at the Smithsonian Conservation Biology Institute here are bottle-fed, sleepy and wobbly on their legs. They have bandit masks and thick, rich fur, and they make soft squealing noises and something called a huff-quack, which sounds like … a huff-quack."

"The impact of low oil prices could have long-term consequences for drilling companies. But hydraulic fracturing technology could allow the industry bounce back more quickly, experts say."