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A view of Kigali, Rwanda’s capital. The book notes that Rwanda is one of the few African countries with official guidance on urban forests. Image by Pacifique Gatete via Wikimedia Commons (CC BY-SA 4.0).

As African cities heat up, a new book argues trees are part of the solution

David Akana 29 May 2026

‘World’s deepest banner protest’ launched at the bottom of the sea

Liz Kimbrough 28 May 2026
A glass octopus, a nearly transparent species whose only visible features are its optic nerve, eyeballs and digestive tract.

As economic case for deep-sea mining weakens, industry should halt urgency to begin operation (commentary)

Andy Whitmore 28 May 2026
A cornfield flooded with salts in the eastern United States. Crops didn’t survive in the low-elevation sections of the field, which abuts a tidal wetland. Image courtesy of Jarrod Miller/Delmarva Saltwater Intrusion.

Risk of saltwater intrusion into coastal groundwater spans the globe: Study

Edward Carver 28 May 2026

New species of ghost pipefish named after Sesame Street character found in Australia

Naina Rao 28 May 2026
Deep-sea starfish in American Samoa

US prepares to auction leases for seabed mining blocks in federal waters

Elizabeth Claire Alberts 27 May 2026

Tracking Lucero: Scientists follow a rare Eastern Pacific leatherback sea turtle

Bobby Bascomb 26 May 2026
Still image from the film A Salmon Nation, courtesy of Patagonia Films.

Iceland must protect wild salmon and reject new aquaculture legislation (commentary)

Yvon Chouinard 26 May 2026
Amazonian migratory catfish for sale at the Ver-o-Peso market in Belém, Pará. Image by AP Photo/Eraldo Peres.

Countries push new protections for the Amazon’s iconic migratory catfish

Gustavo Faleiros 25 May 2026
Aerial view of a cargo ship. Photo by Cameron Venti / Ocean Image Bank

The most underfunded climate opportunities may be at sea

Rhett Ayers Butler 25 May 2026

West Asia conflict brings Norwegian marine research vessel back to Sri Lanka

Malaka Rodrigo 23 May 2026

World Turtle Day: Important conservation wins amid turtle extinction crisis

Mongabay.com 22 May 2026
A yellowfin tuna captured for electronic tagging off the coast of Seychelles in the Western Indian Ocean. Image by Marc Taquet via Ifremer (CC BY 4.0).

Indian Ocean tuna regulator eases yellowfin fishing curbs amid sustainability concerns

Malavika Vyawahare 22 May 2026
Endangered subspecies Southern resident orcas (Orcinus orca ater). Image by ywcai via iNaturalist (CC BY-NC 4.0).

AI listens for endangered orcas to help reduce underwater noise exposure

Mongabay.com 22 May 2026

Norlan Pagal, fisherman and guardian of Tañon Strait, died on May 14th, aged 56

Rhett Ayers Butler 21 May 2026
Combining satellite images helped reveal reefs in northern Australia.

More than 1,000 uncharted coral reefs mapped in vast, understudied northern Australia

Megan Strauss 21 May 2026

New conservation effort launched to protect coral reefs in Yap

Naina Rao 21 May 2026
Dugong rescue in Thailand

Thai island community rallies to protect beloved dugongs, revive declining seagrass

Carolyn Cowan 21 May 2026

Mexico rejects ‘Perfect Day’ waterpark on Caribbean coast, citing environmental risks

Maxwell Radwin 20 May 2026
A new species of carnivorous “death ball” sponge from the genus Chondrocladia, discovered off the South Sandwich Islands. Image courtesy of ROV SuBastian/Schmidt Ocean Institute.

Ghost shark, carnivorous sponge among 1,000+ newly discovered marine species

Shreya Dasgupta 20 May 2026
A fever of mobula rays photographed underwater in June 2025. Image by Rhett A. Butler/Mongabay.

A fever of mobula rays off Mexico’s coast: Photo of the week

Shanna Hanbury 20 May 2026
A boy gathers water in Kalokol, with submerged palm trees behind. Image by Christopher Clark for Mongabay.

Rising waters and mounting pressures collide on Kenya’s Lake Turkana

Christopher Clark 19 May 2026
Fisherman James Lekubo on Lake Turkana. Image by Christopher Clark for Mongabay.

‘Turkana has always adapted to change’: Interview with environmentalist Ikal Angelei

Christopher Clark 19 May 2026
Ed Singson shows off the seaweed in his bucket

Philippine fishing and Indigenous communities wary of clean energy boom in Marcos stronghold

Michael Beltran 18 May 2026

Who controls Indian Ocean tuna?

Mongabay.com 18 May 2026
Sand mining along the Mekong River

19,000 Great Pyramids a year: Report flags unsustainable rate of sand mining

Carolyn Cowan 18 May 2026
Monica Montefalcone. From her social media.

Monica Montefalcone, leading seagrass scientist, dies in Maldives diving accident, aged 51

Rhett Ayers Butler 16 May 2026
Bottom trawling fishing boats in Flanders Banks conservation area in France. Image © Lorraine Turci/Greenpeace.

European bottom trawling costs billions every year in climate impacts, study finds

Shanna Hanbury 15 May 2026
Sea pen in the South Arran MPA. Image © COAST/Howard Wood.

Seabed life triples after bottom trawling ban in Scotland protected area

Shanna Hanbury 14 May 2026

At world’s largest shark conference, scientists warn of a grim outlook across the board

Philip Jacobson 14 May 2026
Endangered Antarctic fur seals on South Georgia Island. Image by Rhett A. Butler/Mongabay.

China and Norway push to increase krill harvests around Antarctica

Francesco De Augustinis 14 May 2026
A waddle of chinstrap penguins (Pygoscelis antarctica) on Deception Island, Antarctica. Image courtesy of Jay Williams / WWF.

The Southern Ocean is key to our planet’s future & we have a chance to protect it this year (commentary)

Zac Goldsmith 13 May 2026

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