"Hundreds of California sea lions have taken over San Carlos Beach in Monterey, California, prompting local officials to close the area to people."

"De-icing road salts — even those marketed as environmentally friendly — may harm important freshwater plankton, a new analysis indicates. The study, published in Science of the Total Environment, suggests that some species of zooplankton — a critical food source for freshwater fish — don’t adapt to pollution from road salts from generation to generation."

"A small tribal community along the Colorado River could become a major player in the state’s water supply."

"A new study suggests that estimates of the health of the world’s fisheries may be too optimistic."

"A U.S. judge at the urging of environmental groups has thrown out an assessment by a federal agency governing how endangered and threatened marine species should be protected from oil and gas drilling in the Gulf of Mexico."

"Extreme weather alerts for dangerous heat, wildfires, storms, flooding and other hazards have affected nearly everyone in the United States over the past few months."

Alexandria, Va., is almost finished digging a 2.2-mile tunnel to fix its combined sewer overflow problem..

"New analyses reveal that 4.4 billion people across low- and middle-income countries — over half of the world’s population — don’t have safe household drinking water."

"Summer now has a darker side – or rather a too-brightly burning and dangerously hot side. And that side is making summer the most dangerous season of the year. This month’s bookshelf focuses on two summer dangers: heat waves and wildfires."