"Two Northern California tribes announced Wednesday that they signed a treaty last month, committing to jointly restore the Eel River and its fish populations."

"Expert marine mammal researchers spotted up to 10 of the porpoises during a recent survey in the Upper Gulf of California. They warn the species remains at risk of extinction until safer fishing gear is developed to prevent deadly entanglements."

"The Trump administration plans to allow new oil and gas drilling off the California coast for the first time in roughly four decades, according to three people briefed on the matter. The move would set up a confrontation with Gov. Gavin Newsom, a Democrat who has fought offshore drilling and who has emerged as one of President Trump’s chief political antagonists."

"Queensland will roll out shark-spotting drones to more beaches, after a major study found drones detected more than double the number of sharks caught in adjacent nets."

"One year after the discovery that golden mussels had invaded the Delta, thick colonies coat boats and piers and threaten water supplies for cities and farms. Yet the state has no specific funding or plans to tackle harms in the heart of the invasion."

"A pod of orcas has twice been observed flipping young great white sharks on their backsides to stun them, then slicing their sides open." "Some orcas have a taste for liver — specifically, the livers of great white sharks."

"Overtourism and heavy maritime traffic across the Mediterranean are contributing to a rise in pollution in Greece's azure waters, say Greek scientists who have deployed thousands of mussels on the seafloor to help detect microplastics."

"Earlier this month, the International Union for Conservation of Nature (IUCN) reported that the global population of green turtles has increased nearly 30 percent since the 1970s, thanks to a suite of international actions aimed at saving the animals."

"A new report says America’s lobsters, which have been in decline since 2018, are now being overfished off New England."

"The fish had been missing from the headwaters of the Klamath River for more than a century. Just a year after the removal of a final dam, they’ve returned."