"A fishing community in southern Brazil has an unusual ally: wild dolphins."

"Six western states that rely on water from the Colorado River have agreed on a model to dramatically cut their use, months after the federal government called for action and an initial deadline passed. California — with the largest allocation of water from the river — is the lone holdout."

"The Biden administration on Tuesday is set to move to protect one of the world’s most valuable wild salmon fisheries, at Bristol Bay in Alaska, by effectively blocking the development of a long-disputed gold and copper mine there."

"The Colorado River begins as melting snow, trickling from forested peaks and coursing in streams that gather in the meadows and valleys of the Rocky Mountains. Like arteries, its major tributaries take shape across Colorado, Wyoming, Utah and New Mexico, coming together in a great river like no other — a river that travels more than 1,400 miles and has defined the rise of the American Southwest over the last century."

"Weak U.S. water protection rules and federal oversight has allowed dozens of U.S. oil refineries to dump toxic chemicals and metals into the nation’s waterways, the Environmental Integrity Project (EIP) said in a report released on Thursday."

"The Biden administration on Thursday said it will establish a 20-year moratorium on mining upstream from Minnesota’s Boundary Waters Canoe Area Wilderness, a vast preserve of lakes and woods that has been at the center of a fierce dispute over a proposed copper and nickel mine."

"Dolphins are cavorting in the Bronx River of all places for the first time in at least five years, delighting New Yorkers. They’re a hopeful sign that efforts to clean up the river, long plagued by pollution, are seeing some success, said city officials."