Oceans and climate change News

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Emmanuel Gona, a fisherman and community scout from Muyu wa Kae village in Marereni, believes that conserving and restoring mangrove ecosystems is key to boosting fish populations.

A Kenya marine biodiversity credit program restores mangroves — and livelihoods

Juliet Akoth Ojwang 1 Jul 2025
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
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
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

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
An Uggubseni resident.

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

Euan Wallace 10 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 humpback whale

Study suggests algal blooms disorient whales, putting them in danger

Keith Anthony Fabro 4 Feb 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, new study shows

Spoorthy Raman 7 Jan 2025
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
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
Antarctic terns (Sterna vittata)

More krill fishing and no new protected areas for Antarctic seas after latest talks

Francesco De Augustinis 28 Oct 2024
Fish at a coral reef in the Red Sea, Sharm el Sheikh, Egypt.

Protecting coral reefs boosts fish numbers by 10%: Study

John Cannon 25 Oct 2024
In five years since the 2018-19 fiscal, Khulna, Bagerhat, and Satkhira districts recorded increased production of Aman rice. Image courtesy of BARCIK

Coastal farmers in Bangladesh give up shrimp farming for agriculture to combat salinity

Sadiqur Rahman 8 Oct 2024
A jellyfish swims in the sun in the mangroves.

Inaugural Planetary Health Check finds ocean acidification on the brink

Sean Mowbray 23 Sep 2024
Fish at a coral reef in Mexico.

Lab-grown corals resisted bleaching during Caribbean’s worst marine heat wave

Caitlin Cooper 19 Sep 2024
A sea turtle in Ningaloo Reef, Australia.

As waterbodies lose oxygen, are we breaching a potential planetary boundary?

Elizabeth Claire Alberts, Glenn Scherer 13 Aug 2024
A mariscadora uses a clam rake to dredge for shellfish off Cambados in Galicia. Image by Naomi Mihara for Mongabay

In northern Spain, climate change is killing shellfish — and women’s livelihoods

Naomi Mihara, Natalie Donback 29 Jun 2024
Coral reefs seen along the coast in an aerial photo.

New approach to restore coral reefs on mass scale kicks off in Hawai‘i

Elizabeth Claire Alberts 25 Jun 2024
A phytoplankton bloom in the Baltic Sea captured by Copernicus Sentinel-2 mission.

Can iron fertilization of the oceans help solve the climate crisis? (commentary)

Dr. David Koweek, Dr. Sara Nawaz 10 Jun 2024
Trawlers docked outside Sihanoukville. Screenshot from ‘Illegal fishing and land grabs push Cambodian coastal communities to the brink’ by Andy Ball / Mongabay.

Small-scale fishers lose out to trawlers in race to catch Cambodia’s last fish

Andy Ball, Gerald Flynn, Vutha Srey 30 May 2024
Baby bonga shad (Ethmalosa fimbriata).

As catches fall, Sierra Leone’s artisanal fishers turn to destructive practices

Josef Skrdlik 27 May 2024
A type of ophidiiform

Twilight zone fishing: Can we fish the ocean’s mesopelagic layer?

Elizabeth Claire Alberts 15 May 2024
A visual reconstruction of the February 19, 2023 incident in which a Hong Kong-flagged cargo vessel reportedly hit the Indian fishing boat, Ruby, 450 nautical miles away from Kanyakumari, the southernmost tip of India.

Warming seas push India’s fishers into distant, and more dangerous, waters

Imran Muzaffar and Aliya Bashir 23 Apr 2024
Guna homes on the coastline of Gardi Sugdub Island.

Panama delays promised relocation of sinking island community

Aimee Gabay 17 Apr 2024
Fluorescing and bleached reef in New Caledonia in 2016.

Global coral bleaching now underway looks set to be largest on record

Elizabeth Claire Alberts 16 Apr 2024

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