"Humans are throwing ecosystems out of whack by not only killing a large number of animals, but by killing adults and top carnivores in particular, a study suggests. One answer is to act more like animal predators."

"If humans hope to fish the oceans more sustainably, they are going to have to start fishing like fish, a new study suggests.

That means harvesting younger, smaller fish to leave more of their elders to continue maturing and reproducing. And it means fishing quotas that are more in line with what nonhuman predators consume.

"Expert says neonicotinoids, even at EPA’s ‘safe’ levels, could devastate aquatic invertebrates: ‘The water issue is probably as important as the pollinators’"

"As far away from society as you might seem while floating on the Colorado River through Grand Canyon National Park in Arizona, or hiking along its shorelines, heavy metals are polluting the river in concentrations that could pose a health risk."

"U.S. regulators have relied on flawed and outdated research to allow expanded use of an herbicide linked to cancer, and new assessments should be urgently conducted, according to a column published in the New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