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

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

Edward Carver 10 Nov 2025
Yesid Achicue, an Indigenous mountain guide from the Cauca region in Colombia. Image courtesy of Yesid Achicue.

As the Andes’ glaciers melt, our values can help: Voices from the land (commentary)

Yesid Achicue 14 Oct 2025

As Singapore heats up, pests are seeking refuge indoors

Robin Hicks 9 Oct 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

Global CO2 storage capacity may be drastically overstated, study finds

John Cannon 22 Sep 2025
Two walruses atop a small piece of floating Arctic sea ice.

No new record low for Arctic sea ice loss in 2025

Gloria Dickie 16 Sep 2025
Aerial view of West Kalimantan

Warming triggers unprecedented carbon loss from tropical soils, study finds

Claire Asher 16 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
Climate change threatens to disrupt the soil carbon cycle, potentially releasing billions of tons of carbon into the atmosphere and overshadowing international decarbonization efforts.

Soil carbon: Crucial ally or potential threat to net-zero commitments?

Claire Asher 3 Sep 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
Banner image of motorists riding through a flooded road caused by heavy monsoon rain in Lahore, Pakistan, on July 10, 2025. Image by AP Photo/K.M. Chaudary.

Deadly monsoon rains in Pakistan made worse by climate change: Study

Kristine Sabillo 7 Aug 2025
Person standing in front of a fallen tree.

Global warming is altering storms lightning, impacting tropical forests

Sean Mowbray 28 Jul 2025
Heavy rainfall in Colombia and Venezuela caused deadly landslides and widespread flooding in June. A new analysis now points to rapid urbanization, deforestation, mining and overgrazing as having reduced the region’s climate resilience. 
 “The rapid growth of population and informal settlements in areas prone to landslides, particularly in Colombia, puts people and infrastructure at risk,” the World Weather Attribution (WWA), a network of scientists evaluating extreme weather events, said in its latest rapid analysis. It said the informal communities are growing as people seek livelihoods in cities or are displaced due to conflict. Roop Singh, report co-author from the Netherlands-based Red Cross Red Crescent Climate Centre, said at a media briefing that pasture- and agriculture-driven deforestation rose over the past two decades, increasing “the risk of landslides because tree roots are no longer binding and anchoring the soils.”
 The heavy rains during the last week of June triggered widespread flooding and damage in Colombia; a landslide in Antioquia department killed 27 people. In Venezuela, rivers overflowed, and smaller landslides cut off rural communities. WWA said in its report that rains in these regions had persisted since April, and that the June rain fell on already saturated ground where the deadly landslide occurred, and in rivers with already high levels of water. The scientists examined the total rainfall from April-June this year over the Magdalena River catchment in Colombia and the Falcón and Maracaibo basins in Venezuela. They also studied data on the accumulated rainfall from June 20-24 in the affected states in the Venezuelan Llanos, a grassland plain. “Neither events were particularly extreme,” Mariam Zachariah, co-author and research associate at Imperial College London, said at the briefing. The WWA analysis showed the heavy rain that fell in June is common, expected every 10 years in Colombia and every three years in Venezuela. The scientists also used climate models to understand the influence of human-induced climate change on the rains, but the findings were inconclusive. Instead, the models projected a drying trend for Colombia and mixed results for Venezuela. Friederike Otto, co-author and climate science professor at Imperial College London, said not being able to show clear linkages to climate change doesn’t mean there’s no influence. The researchers attributed some of the uncertainty to a lack of long-term observational weather data and weather stations in the region. “Unfortunately, extreme weather is not well understood in northern South America,” Paola A. Arias, a professor at the University of Antioquia, said in a statement. “We urgently need more investment in climate science to understand shifting risks and prepare for what’s ahead. More science will save lives." Zachariah said Colombia and Venezuela must prepare for both rainfall and drought, and build resilience to extreme weather. Banner image: People look at their destroyed home after a deadly landslide was triggered by heavy rain in Colombia’s Antioquia department on June 25, 2025. Image by AP Photo/Fredy Amariles.

Deadly landslide and flooding in Colombia and Venezuela linked to rapid urbanization

Kristine Sabillo 18 Jul 2025
A man fans himself on a hot day in Retiro Park in Madrid, Spain, on June 28, 2025. Image © Paul White/AP.

Extreme heat kills at least 2,300 in European cities, study estimates

Shanna Hanbury 14 Jul 2025
Paddle boarders over a coral reef in Indonesia.

Will temperate seas act as refuge for coral reefs? Not in time, study says

Edward Carver 8 Jul 2025
Banner image of smokestacks by Pixabay via Pexels (Public domain).

Catholic bishops from Global South call for ambitious climate action ahead of COP30

Kristine Sabillo 2 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
researcher glacier

Communities and ecosystems in Venezuela learn to adapt to life after glaciers

María Fernanda Rodríguez and Jeanfreddy Gutiérrez Torres 30 Jun 2025

Microplastics and melting ice reveal deepening crisis in Antarctica

Soledad Domínguez 16 Jun 2025
Rescuers evacuate people from a flooded hospital following landslides and flash flooding in India's northeast state of Manipur, Sunday, June 1, 2025. (AP Photo/Donald Sairem)

Heavy rains inundate northeast India

Kristine Sabillo 6 Jun 2025
Banner image of Mokwa after the flooding, by the Nigerian National Emergency Management Agency via X.

Hundreds die after flash floods tear through Nigerian market town

Kristine Sabillo 5 Jun 2025
Residents of the village of Baraca gather at a mangrove restoration site.

Guinea-Bissau’s grassroots efforts offer a blueprint for global mangrove restoration (commentary)

Abdoulaye Ndiaye 29 May 2025
A forest fire burns in Valparaíso, Chile, in February 2024. Image courtesy of the Gobierno de Chile via Wikimedia Commons (CC BY 3.0 CL)

Tropical forest loss hit new heights in 2024; fire a major driver in Latin America

Ruth Kamnitzer 21 May 2025

How extreme droughts could redefine the future of Amazonian fish

Tiago Mota e Silva 19 May 2025
Oil industry giants like Chevron, BP, Shell and TotalEnergies are planning to refit existing oil refineries or build new biofuel plants to produce renewable diesel.

As renewable diesel surges, sustainability claims are deeply questioned

Sean Mowbray 12 May 2025

Winter warming and rain extreme events pose overlooked threat to Arctic life

Elizabeth Devitt 2 May 2025

Scientists warn coral restoration can’t keep pace with global reef collapse

Elizabeth Fitt 29 Apr 2025
Ecuador's Tapichalaca Reserve, created by Jocotoco Conservation Foundation.

How to conserve species in a much hotter world

Mongabay.com 29 Apr 2025

Elevator to extinction (cartoon)

Rohan Chakravarty 16 Apr 2025
An Uggubseni resident.

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

Euan Wallace 10 Apr 2025
Banner image of Pasir Timbul in Raja Ampat, Indonesia, by Rhett A. Butler/Mongabay.

122 companies responsible for a third of present day sea-level rise: Study

Kristine Sabillo 8 Apr 2025
Euperfadis Cardenas Vargas in his finca (2 hectarias of Cacao) Photo © Victor Raison

Colombian farmers switch from coffee to cacao as temperature and prices soar

Victor Raison 4 Apr 2025

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