Oceans and climate change News

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Julio and Isaac Blanco fish octopus along the coast of Asturias, Spain, using traditional nasas cages.

Two coasts, one struggle for octopus fishers battling overfishing and warming waters

Davide Mancini, Paola Margu 30 Jun 2025
A ray swims over seagrass in Australia.

As ocean acidification ramps up, experts call for speedy ocean protection

Sean Mowbray 26 Jun 2025
The elkhorn coral that comprises most of the Cocalito reef used to be one of the most dominant coral species in the Caribbean.

The reef that shouldn’t exist

Rhett Ayers Butler 17 Jun 2025
French President Emmanuel Macron speaks during the High-Level inaugural dinner of the UN Ocean Conference (UNOC).

‘Madness’: World leaders call for deep-sea mining moratorium at UN ocean summit

Elizabeth Claire Alberts 11 Jun 2025

Climate change and shrinking Arctic sea ice threaten bowhead whales

Bobby Bascomb 6 Jun 2025
Humpback whales in Western Australia. Image courtesy of Emilie Ledwidge/Ocean Image Bank.

World Oceans Day: Scientists find new clues about frontiers of ocean life

Mongabay.com 6 Jun 2025
Nontoxic dye released from an artificial upwelling experiment off the Canary Islands. That experiment, set to last weeks, ended after just one day when the pump failed. “To most of us that proved … the technical readiness of this approach is not there,” says Michael Sswat, a postdoctoral researcher at GEOMAR Helmholtz Centre for Ocean Research, who was part of the research team.

Marine artificial upwelling, problematic climate solution slow to advance

Sean Mowbray 2 Jun 2025

Scientists underestimate frequency of South Atlantic heating events: Study

Bobby Bascomb 16 May 2025

A Honduran reef stumps conservationists with its unlikely resilience

Fritz Pinnow 2 May 2025

Blue whale decline in Sri Lanka tied to climate and human activity

Simon Payne 30 Apr 2025
Coral bleaching in Ningaloo, Australia, in February 2025. Image courtesy of Daniel Nicholson/Ocean Image Bank.

Ongoing global coral bleaching event affects 84% of world’s reefs

Shanna Hanbury 23 Apr 2025
Two North Atlantic right whales photographed in the Bahamas. Image courtesy of Jero Prieto/Pelagic Life.

Critically endangered right whales spotted in the Bahamas for first time

Shanna Hanbury 21 Apr 2025

Corals recover faster on artificial structures than on natural reefs, study finds

Bobby Bascomb 11 Apr 2025
An Uggubseni resident.

In Panama, Indigenous Guna prepare for climate exodus from a second island home

Euan Wallace 10 Apr 2025
Scientists on a British Antarctic Survey ship measure the conditions of the ACC. Image courtesy of Michael Meredith.

Melting Antarctic ice could weaken world’s strongest ocean current, study warns

Shanna Hanbury 8 Apr 2025
Banner image of a humpback whale breaching in Iceland, by Giles Laurent via Wikimedia Commons (CC BY-SA 4.0).

Study delves into increase in humpback whale sightings in UK and Ireland

Kristine Sabillo 4 Apr 2025
A fisherman repairs his boat on a beach in Soomar Goth, Karachi.

In Pakistan, sea level rise & displacement follow fisherfolk wherever they go

Waqas Alam Angaria 28 Mar 2025
A ceremonial glacier graveyard in Iceland.

With climate change, cryosphere melt scales up as a threat to planetary health

Sean Mowbray 21 Mar 2025
A new species of critically endangered guitar shark was identified off the coast of Tanzania. Image courtesy of The Nippon Foundation-Nekton Ocean Census/Sergey Bogorodsky.

Scientists identify more than 800 new species in global Ocean Census

Shanna Hanbury 11 Mar 2025
Blue and gold fusilier fish above a seagrass meadow, Desroches Atoll, Seychelles. Image courtesy of Seychelles Seagrass Mapping and Carbon Assessment project.

From Kenya to Madagascar, massive effort aims to put seagrasses on the map

Malavika Vyawahare 4 Mar 2025
A humpback whale

Study suggests algal blooms disorient whales, putting them in danger

Keith Anthony Fabro 4 Feb 2025

Marshall Islands protects ‘pristine’ Pacific corals with first marine sanctuary

Shanna Hanbury 28 Jan 2025
A moray eel in the coral reefs of the Daymaniyat Islands, Oman.

2024’s top ocean news stories (commentary)

Alfredo Giron, Ana K. Spalding, Andrés Cisneros-Montemayor, Asha de Vos, Cinda P. Scott, Josheena Naggea, Juan José Alava, Olivia Milloway, Rita Maria el Zaghloul 8 Jan 2025
An Atlantic puffin (Fratercula arctica) on Skomer Island, Pembrokeshire, Wales.

Atlantic puffins are perilously attracted to artificial light

Spoorthy Raman 7 Jan 2025

Climate change forces Jakarta fishing families to marry off young daughters

Kristine Sabillo 23 Dec 2024
The world’s oceans naturally absorb vast amounts of atmospheric carbon dioxide.

Electrochemical removal of ocean CO2 offers potential — and concerns

Sean Mowbray 20 Dec 2024
Residents from Gwadar look on the sipping development at the coast.

Balochistan’s Gwadar city sits at the crossroads of climate and conflict

Waqas Alam Angaria 20 Dec 2024
Banner image of Galaxea astreata coral colony in Nusa Penida in Bali, Indonesia, courtesy of Ocean Gardener.

Scientists in Bali find what could be the world’s largest coral colony

Kristine Sabillo 17 Dec 2024
A hawksbill sea turtle in Grand Cayman, part of the Mesoamerican Reef.

After historic 2024 coral bleaching, hope remains for Mesoamerican Reef

Fritz Pinnow 6 Dec 2024
Killer whales swim in the icy Arctic waters that are newly open to them. Photo credit: Maha Ghazal

Killer whales have found new homes in the Arctic Ocean, potentially reshaping marine ecology

Caroline Hemphill 3 Dec 2024
Banner image of clownfish and coral reef in Indonesia, by Rhett A. Butler/Mongabay.

44% of reef-building coral species at risk of extinction: IUCN

Kristine Sabillo 14 Nov 2024

NOAA finds 77% of world’s corals exposed to bleaching-level heat

Bobby Bascomb 6 Nov 2024

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