"The Chilean industry’s expansion has drawn repeated challenges from environmentalists and Indigenous people of the region, and prompted calls for a moratorium."

"The blue crabs crossed the Atlantic as stowaways, and with no natural predators they’re overtaking Italy’s marine ecosystem."

"On the whooshing Watauga River, excavators claw at the remains of Shulls Mill Dam, pulling concrete apart piece by piece and gradually opening a waterway kept in check for nearly two centuries."

"Ocean temperatures in the Great Barrier Reef are now the hottest in at least 400 years and are an “existential threat” to the planet’s unique natural wonder, according to new scientific research."

"On March 14, 2016, in the squid grounds off the coast of Patagonia, a rusty Chinese vessel called the Lu Yan Yuan Yu 10 was fishing illegally, several miles inside Argentine waters. Spotted by an Argentine coast guard patrol and ordered over the radio to halt, the ship fled the scene. The Argentinians gave chase and fired warning shots. Then the Lu Yan Yuan Yu 10 tried to ram the coast guard cutter, prompting it to open fire and sink the Chinese ship."

"Due largely to lagging prevention efforts in the Midwest, the low-oxygen area of the Gulf of Mexico is larger than expected this year, prompting fish and shrimp to flee nearly 4 million acres of habitat and killing off bottom-dwelling species."

"The international agency charged with regulating seabed mining worldwide voted on Friday to replace its top executive, after accusations that the British lawyer running the agency was too closely aligned with the mining industry."

"Researchers are restoring the Caribbean’s surprising, spiky custodians, which gobble up the algae smothering coral reefs."

"Humans have been afraid of sharks since long before “Jaws” and “The Meg” patrolled summer movie screens. Whether it’s the teeth or the lifeless eyes, something about them can just make your blood run cold.

Marine biologists are quick to say this fear is way out of proportion. Lightning strikes and bear attacks are more common than shark bites, they say. Of the more than 500 species of shark, only a handful have ever attacked humans, and most bites in the United States can be traced to just four species.