"An Indiana-based philanthropic endowment will give $100 million to the official nonprofit of the National Park Service (NPS), the largest gift the organization has ever received."

"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."

"Florida Gov. Ron DeSantis’s administration wants to build hotels, golf courses, pickleball courts and other “amenities” at state parks prized for their pristine habitats — a plan that has sparked outrage and concern across the aisle."

"As global temperatures rise due to climate change, mosquito season has lengthened across much of the contiguous United States, a development that scientists warn could heighten the risk of outbreaks of diseases such as dengue and malaria, and the spread of West Nile and Zika viruses."

"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."

"The virus is poised to become a permanent presence in cattle, raising the odds of an eventual outbreak among people."

"Eighty years ago, the United States and Mexico worked out an arrangement to share water from the two major rivers that run through both countries: the Rio Grande and the Colorado. The treaty was created when water wasn't as scarce as it is now."

"A significant die-off of brown pelicans in California has scientists searching for answers."

"ALLIGATOR RIVER NATIONAL WILDLIFE REFUGE, N.C. — In April, the latest glimmer of hope appeared here in the only spot on Earth where endangered red wolves remain in the wild. Five pups were born to a pair of wolves — a female known as 2413, and a male known as 2444 — marking the third year in a row that at least one new litter began life in this corner of coastal North Carolina."