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The Kelvin wave heading for California won't crash on any beach, and you'll never see it arrive. It's a slow, massive bulge of warm water pushed across the Pacific by a super El Niño, and it could lift sea level along the California coast by up to a foot for…

The Kelvin wave heading for California won't crash on any beach, and you'll never see it arrive. It's a slow, massive bulge of warm water pushed across the Pacific by a super El Niño, and it could lift sea level along the California coast by up to a foot for…

New sea spider species have turned up in shallow water around Vancouver and Victoria, British Columbia, on one of the most studied coastlines in Canada. One has hairy feet, red eyes and a mouth split into three lips. The other can barely groom itself, so it wanders around covered in…

Palmyra Atoll's coral reef survived more than six months of heat and coral bleaching in 2023, and its coral reef recovery since then is giving scientists a blueprint for reefs around the world. When Joe Pollock of The Nature Conservancy went back to survey the reef, he found "an absolute…

H5N1 bird flu has now killed endangered Australian sea lions, and a new island plan in Singapore could bury about 60% of the country's remaining coral reefs. Andrew Lewin breaks down both stories and the questions that help you read the next headline more clearly. In this episode: How H5N1…

H5N1 bird flu has now killed endangered Australian sea lions, and a new island plan in Singapore could bury about 60% of the country's remaining coral reefs. Andrew Lewin breaks down both stories and the questions that help you read the next headline more clearly. In this episode: How H5N1…

Every coral reef headline feels like another funeral. If bleaching always meant death, there would be nothing left to protect. Palmyra Atoll, a remote U.S. wildlife refuge about 1,000 miles south of Hawai'i, shows what really happens when a healthy reef takes the heat. A marine heatwave lasting more than…

Every coral reef headline feels like another funeral. If bleaching always meant death, there would be nothing left to protect. Palmyra Atoll, a remote U.S. wildlife refuge about 1,000 miles south of Hawai'i, shows what really happens when a healthy reef takes the heat. A marine heatwave lasting more than…

Marineland belugas are still dying. A month after Marineland Canada's belugas and dolphins were moved to aquariums in the United States and Spain, five of them are dead. Osiris, a 26-year-old female beluga, died September 21 at Shedd Aquarium in Chicago, the third Marineland transfer to die there after Peekachu…

High Seas Treaty ratifications reached 100 countries this week, after Canada, Germany, Australia, Papua New Guinea, Zimbabwe and Brunei Darussalam all ratified during the UN General Assembly in New York. Two thirds of the ocean sits outside any country's jurisdiction, and until this treaty, no binding global framework protected the…

Underwater AI data centers are being proposed for real ocean waters before anyone knows what they do to the ecosystems around them. DeepGreen, the company behind the contested Eastport, Maine project, now wants to build a 100-megawatt underwater AI data center in Alaska's Cook Inlet, off Nikiski. The plan calls…

You've probably heard "high seas" without registering that the phrase covers roughly two thirds of the entire ocean, and until this week, that vast stretch of water has functionally had no rulebook. On September 23, 2026, Canada formally ratified the High Seas Treaty at the UN General Assembly, one of…

You've probably heard "high seas" without registering that the phrase covers roughly two thirds of the entire ocean, and until this week, that vast stretch of water has functionally had no rulebook. On September 23, 2026, Canada formally ratified the High Seas Treaty at the UN General Assembly, one of…

What does it take to build a marine conservation career? Rarely a corner office. It starts with hot, tiring fieldwork in remote places, low pay, and years before anyone hands over real responsibility. In this Ocean People profile, Andrew breaks down the career of Marianne Teoh, a friend he has…

NOAA rollbacks are reopening some of the most heavily protected waters in the U.S. Pacific to commercial fishing, and Andrew breaks down what's changing and why it matters. NOAA's new operational roadmap, tied to a 2025 executive order on seafood competitiveness, is opening the Mariana Trench, Papahānaumokuākea, Rose Atoll, and…