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Oceans

Why Beaches Are Swamped With Sargassum, the Stinky Seaweed Menace

It smells like rotten eggs, releases toxic gases, endangers sea life and scuttles vacations. Scientists, startups and communities are trying to figure out what to do with it all.

Interview by Aynsley O’Neill, Living on Earth

A worker removes sargassum from the shore of Playa del Carmen Beach in Quintana Roo, Mexico, on June 18, 2025. Credit: Elizabeth Ruiz/AFP via Getty Images

Whales in a Warming World

ICN Sunday Morning

A southern right whale swims with its calves in the waters of the South Atlantic Ocean on Oct. 5, 2022. Southern right whales are no longer reproducing at normal rates due to climate-induced changes in Antarctica. Credit: Luis Robayo/AFP via Getty Images

Southern Right Whales Are Having Fewer Calves; Scientists Say a Warming Ocean Is to Blame

By Teresa Tomassoni

Acropora corals stick out of the water during low tide on Nov. 27, 2021, in Tatakoto, French Polynesia. Credit: Alexis Rosenfeld/Getty Images

US Government Is Accelerating Coral Reef Collapse, Scientists Warn

By Johnny Sturgeon

A trained team from the West Coast Large Whale Entanglement Response Program works to free an entangled gray whale off the coast of Orange County, Calif., in December 2017. Credit: West Coast Marine Mammal Stranding Network

Whale Entanglements in Fishing Gear Surge Off U.S. West Coast During Marine Heatwaves

By Teresa Tomassoni

Cans of tuna, sardines, and other canned fish are displayed on a supermarket shelf in southwestern France on Jan. 16. Credit: Véronique Tournier/Hans Lucas/AFP via Getty Images

One in Five Fish Products Tied to Fraud

By Johnny Sturgeon

Members of a Māori community perform “karakia” to pay their respects to the carcass of a sperm whale that washed up on the shores of New Brighton, New Zealand, on Nov. 5, 2023. Credit: Sanka Vidanagama/NurPhoto via Getty Images

How a Groundbreaking Indigenous Treaty on Whales’ Rights Could Change National Laws

By Katie Surma

A young humpback whale swims with its mother in the warm waters of the Pacific Ocean near the island of Rurutu in the Austral archipelago of French Polynesia. Credit: Alexis Rosenfeld/Getty Images

How a ‘Powerful Vision’ on Whales and Oceans Could Change Worldviews

By Katie Surma

Local teenagers play soccer in front of the Sitakunda ship graveyard. Credit: Spencer Call/NGO Shipbreaking Platform.

‘Toxic Colonialism’ on the Bay of Bengal

By Johnny Sturgeon

In Huntington Beach, California, a bird perches on a contamination containment boom in October 2021 as workers cleanup the Talbert Marsh after a spill off the coast of Huntington Beach threatens wildlife. Credit: Mindy Schauer/MediaNews Group/Orange County Register via Getty Images

New Analysis Warns Trump Offshore Drilling Plan Could Trigger Thousands of Oil Spills

By Teresa Tomassoni

Colorful array of fish being sampled for microplastic contamination in Funafuti, Tuvalu. Credit: Dr. Brian Stockwell/The University of the South Pacific

One-Third of Pacific Island Fish Contaminated With Microplastics

By Johnny Sturgeon

An Enormous Climate Blind Spot

ICN Sunday Morning

For 33 hours, Elissa Phillips and Anahita Sahar Babaei locked themselves into the crow’s nests of a whaling ship, as dozens of supporters gathered to protest whaling in Iceland on Sept. 4, 2023. Credit: Hard to Port

Peaceful Protest Against Whaling in Iceland Lands Two Activists in Court

By Teresa Tomassoni

At Xuan Dao Bay, in Vietnam, fishing boats lie destroyed in November 2025 along the shore after being swept away by Typhoon Kalmaegi. leaving many without work. Credit: Magdalena Chodownik/Anadolu via Getty Images

Ocean Damage Nearly Doubles the Cost of Climate Change

By Johnny Sturgeon

An underwater acoustic camera captures a harbor seal interacting with a tidal turbine in Washington state’s Sequim Bay. Credit: Pacific Northwest National Laboratory

Underwater Cameras Could Help Unlock America’s Tidal Energy Industry

By Johnny Sturgeon

Boaters in a kayak off the coast of La Jolla Shores, California, in December 2025. Credit: Kevin Carter/Getty Images

Ocean Warming Breaks Record for Ninth Straight Year

By Johnny Sturgeon

Libby Jewett, the founding director of NOAA’s ocean acidification program, retired last year amid widespread layoffs across government agencies. Credit: Danielle Pease

How Trump Derailed a NOAA Pioneer’s Move From Climate Impacts to Solutions

By Marianne Lavelle

Shedd Aquarium scientist Andy Kough measures a queen conch at a survey site near Port Everglades. Credit: Aubri Keith

Ten Million Corals Are in the Path of a Federal Dredging Project in Florida

By Teresa Tomassoni

A shellfish harvester pours out small littleneck clams from a net at the Winnegance oyster farm on the New Meadows River in West Bath, Maine. Credit: Brianna Soukup/Portland Portland Press Herald via Getty Images

Maine’s Shellfish Harvesters Are Caught up in Climate-Related Closures

By Ben Seal

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