Oceans and climate change News

RSS
371 stories
Algal bloom in the Baltic Sea on July 20, 2019.

‘Not good’: Ocean losing its greenness, threatening food webs

Edward Carver 10 Nov 2025
Rainforest, reef, and ocean on Maratua Island, East Kalimantan, Indonesia. Photo by Rhett A. Butler.

Three tracks to rescue 1.5°C: fossil exit, forest protection, and nature’s carbon (commentary)

Ilona Szabó de Carvalho 8 Nov 2025
A diamond squid, which is found in both epipelagic and mesopelagic zones.

Global conservation body takes first step to protect ocean’s twilight zone

Elizabeth Claire Alberts 23 Oct 2025

Nations delay vote on shipping decarbonization rules after fierce US resistance

Edward Carver 17 Oct 2025
Photos of orcas captured using drones in Alaska.

Drone surveys offer early warnings on whale health and survival

Abhishyant Kidangoor 16 Oct 2025

Losing Nemo: In the Red Sea, clownfish vanish as anemones bleach

Liz Kimbrough 14 Oct 2025

Five crucial Earth systems near a tipping point: Report

Bobby Bascomb 14 Oct 2025

The world’s oceans face triple planetary crisis: Report

Bobby Bascomb 30 Sep 2025
North Pacific Ocean temperature anomalies on September 28, 2025. Positive values denotes areas warmer than average; negative values means cooler than average. Image via NOAA Coral Reef Watch.

Northeast Pacific endures fourth-largest marine heat wave on record

Shreya Dasgupta 30 Sep 2025
Author David Helvarg among the kelp stipes off Anacapa Island in southern California’s Channel Islands.

California’s kelp forests struggle to recover a decade after collapse

Mongabay.com 29 Sep 2025

Panama upwelling fails in 2025, threatening marine ecosystems

Bobby Bascomb 19 Sep 2025
Island in the South Pacific, Fiji. Image by Rhett A. Butler/Mongabay.

Rising seas won’t reduce ocean borders of small island nations, UN court rules

Mongabay.com 19 Sep 2025
Small-scale fishers unloading buckets of fish from their boats in South Sulawesi, Indonesia.

24 years on, part one of WTO treaty curbing fisheries subsidies takes effect

Elizabeth Fitt 17 Sep 2025
Kelp (genus Laminariales) is a shallow-water, light-dependent marine plant.

Experimental ocean climate fixes move ahead without regulation

Mongabay.com 11 Sep 2025

Indonesia’s giant Java seawall plan sparks criticism & calls for alternatives

Basten Gokkon 11 Sep 2025
Island in the South Pacific, Fiji. Image by Rhett A. Butler/Mongabay.

Top court delivers a ‘huge’ climate win for island nations

Mike DiGirolamo 9 Sep 2025
A man walks past kelp in the Pacific Ocean at La Jolla Shores, San Diego.

Post-Blob, California’s kelp crisis isn’t going away

David Helvarg 9 Sep 2025
A school of barracuda in the Solomon Islands, a small island developing state in the Pacific Ocean.

Climate change is driving fish stocks from countries’ waters to the high seas: Study

Edward Carver 29 Aug 2025
A green sea turtle (Chelonia mydas) swims along the Great Barrier Reef off Australia.

Scientists warn ocean-based climate fixes lack rules and oversight

Edward Carver 27 Aug 2025
Sea fans in a coral reef in San Pedro, Belize. Image by Fabrice Dudenhofer / Ocean Image Bank.

Belize project seeks out heat-resilient corals to protect its reefs

Marco Lopez 19 Aug 2025
A sperm whale.

Ocean-based carbon storage ramps up, bringing investment and concern

Sean Mowbray 19 Aug 2025
Yellowfin tuna, one of the seven major commercial tuna species, attempt to outswim a seine net in the Seychelles. Fishing is the second largest industry on this small Pacific Island, and like many other Pacific Islands, it faces major revenue losses as tuna shift their migration patterns into the high seas due to climate change.

How will fisheries change in a hotter world? Experts share

Claudia Geib 13 Aug 2025
Corals and fish in Lighthouse Reef atoll, Belize.

Restoration, protection aim to save Belize’s coral reef from extreme heat and disease

Marco Lopez 9 Jul 2025
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
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

you're currently offline