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warming oceans

Coral Reefs in French Polynesia Are Stuck Between Life and Death

Scientists’ discovery of hollowed coral skeletons after a 2019 bleaching event reveals a reef that isn’t coming back.

By Ryan Green

A diver checks the coral reefs of Moorea in French Polynesia during a major bleaching event on May 9, 2019. Credit: Alexis Rosenfeld/Getty Images
Carly Dennison (left) and Jordan Holder from the University of Miami Rosenstiel School prepare to outplant “Flonduran” and Florida elkhorn corals in the Dry Tortugas. Credit: Bailey Marquardt/Coral Reef Futures Lab

Scientists Outplant Experimental ‘Flonduran’ Corals in Florida’s Dry Tortugas National Park

By Teresa Tomassoni

Researchers take samples from a male gray whale on a beach near Moclips, Wash., on April 11. Post-mortem showed cause of death as malnutrition and blunt force trauma, probably from colliding with a boat. Credit: Courtesy of Cascadia Research Collective

Malnourished Gray Whales of the Eastern North Pacific Are in ‘Serious Trouble’

By Blaine Harden

A great white shark is seen off the coast of Mexico’s Guadalupe Island. Credit: Dave J Hogan/Getty Images

Great White Sharks Are Overheating

By Johnny Sturgeon

Researchers catch lobsters as part of long-term ecosystem survey in Maine. Credit: Gulf of Maine Research Institute (GMRI.org)

Warming Waters in the Gulf of Maine May Affect the Future of Lobsters

By Nicole Williams

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

Why Beaches Are Swamped With Sargassum, the Stinky Seaweed Menace

Interview by Aynsley O’Neill, Living on Earth

Scientists Push for More Ambitious Climate Targets

By Bob Berwyn

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

Researcher Alyssa Gehman from the Hakai Institute counts and measures sunflower sea stars in Burke Channel on the Central Coast of British Columbia. Credit: Bennett Whitnell/Hakai Institute

Scientists Pinpoint Cause of Massive Sea Star Die-Offs, and Suspect a Link to Global Warming 

By Bob Berwyn

A crew works to construc a sea wall to reduce the risk of coastal flooding and erosion due to sea level rise on March 4 in La Baule, France. Credit: Loic Venance/AFP via Getty Images

New Climate Study Highlights Dire Sea Level Warnings

By Bob Berwyn

An aerial view of the Kalabogi village in Khulna, Bangladesh during the high tide on March 10, 2023. The village has been facing frequent cyclones and floods since the late 1990s. Credit: Kazi Salahuddin/NurPhoto via Getty Images

New Study Reinforces Worries About Pulses of Rapid Sea Level Rise

By Bob Berwyn

New research shows how freshwater from melting ice along the edge of Antarctica is changing the density of ocean layers, which could weaken the world's strongest ocean current by 20 percent in the next 25 years. Credit: Bob Berwyn/Inside Climate News

Global Warming Will Weaken Earth’s Strongest Ocean Current, New Study Predicts

By Bob Berwyn

Steve Salem is a 50-year boat captain who lives on a tributary of the St. Johns River. The rising tides in Jacksonville are testing his intuition. Credit: Amy Green/Inside Climate News

In the South, Sea Level Rise Accelerates at Some of the Most Extreme Rates on Earth

By Amy Green

A view of a toxic algae bloom on the shores of Guadeloupe. Credit: Loic Venance/AFP via Getty Images

Q&A: The Dire Consequences of Global Warming in the Earth’s Oceans

Interview by Aynsley O’Neill, Living on Earth

In the case of Great Barrier Reef green turtles, rising temperatures have been linked to changing sex-determination, with an increasing number of new hatchlings born female. Credit: Jonas Gratzer/LightRocket via Getty Images

The World Is Losing Migratory Species at Alarming Rates

By Katie Surma

The Atlantic Meridional Overturning Circulation carries cold water from near Greenland (blue line) southward along the seafloor toward Antarctica, while currents nearer the surface transport warmer water northward. Credit: NASA/Goddard Space Flight Center Scientific Visualization Studio

Extreme Climate Impacts From Collapse of a Key Atlantic Ocean Current Could be Worse Than Expected, a New Study Warns

By Bob Berwyn

Photo illustration by Derek Harrison. Photographs by Marli Miller/UCG/Universal Images Group; Giuseppe Cacace/AFP; Olivier Morin/AFP; Yuan Hongyan/VCG via Getty Images

2023 in Climate News: Did Renewable Energy’s Surge Keep Pace With a Radically Warming Climate?

By ICN Staff

Coral on the ocean bed in the Straits of Florida near Key Largo, Florida, in September 2021. Record warm ocean temperatures this summer are leading to what scientists fear may be a global bleaching event. Credit: Chandan Khanna/AFP via Getty Images.

For Florida’s Ailing Corals, No Relief From the Heat

By Amy Green

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