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War on Iran may threaten conservation of the world’s rarest big cat

Mongabay.com 18 May 2026
RJ Nichole Ledesma. Via Facebook.

RJ Nichole Ledesma, chronicler of unsettled ground on Negros Island, was killed last month. He was 30.

Rhett Ayers Butler 3 May 2026
Some of the Conservation Optimism team at their summit last year. Image courtesy of Conservation Optimism.

Young conservationists are building hope & optimism despite challenging times (commentary)

Qazi Hammad Mueen, Taras Bains, Maria Hashmi, Erfan Firouzi 28 Apr 2026
Just as the resilient redwoods have evolved to survive repeated fires, the conservation workforce is equipping ourselves to withstand repeated hardships. Photo courtesy of Jen Miller.

We can navigate conservation’s ‘epidemic of suffering’ by building a culture of care (commentary)

Jen Miller, Kelly Guilbeau 21 Apr 2026
Kushki (male) is one of the last surviving Asiatic cheetahs from northeastern Iran’s Miandasht Wildlife Refuge.

War on Iran disrupts efforts to save the Asiatic cheetah, world’s rarest big cat

Kayleigh Long 9 Apr 2026

Conservation depends on rangers. Their wellbeing is often an afterthought

Rhett Ayers Butler 31 Mar 2026
Silhouette of a woman standing in a California redwood forest. Photo by Rhett Ayers Butler

A profession built on hope, strained by loss

Rhett Ayers Butler 26 Mar 2026
Juma Xipaia, an Indigenous chief from the Brazilian Amazon. Image © Malaika Pictures.

Behind the scenes of the Amazon’s gold rush: Director Richard Ladkani on the making of ‘Yanuni’

Aimee Gabay 25 Mar 2026
Indigenous protesters and self-proclaimed river defenders demonstrate against Brazilian dams. Image courtesy of Amazon Watch.

A decade after the death of Berta Cáceres, we can no longer tolerate threats to environmental activists (commentary)

Michael Sutton 17 Mar 2026

Cambodia’s Supreme Court denies release of five imprisoned environmental activists

John Cannon 16 Mar 2026

Indigenous leader assassinated in Colombia’s Caldas department

Aimee Gabay 24 Feb 2026

Biologist kidnapped in Mexico

Rhett Ayers Butler 4 Jan 2026
Conservationists, environmental defenders, and scientists who died in 2025.

Environmental defenders & conservationists who died in 2025

Rhett Ayers Butler 22 Dec 2025
Vicente Fernandes Vilhalva. Photo courtesy of Aty Guasu/Survival International

A killing with precedent: Kaiowá man’s murder fits a pattern in Brazil

Rhett Ayers Butler 21 Nov 2025

‘Our zeal is unwavering’: 3 environmental defenders share trials, tribulations, hopes

David Akana 12 Nov 2025
Blackchin tilapia

Thai agri giant CPF sues activist over claims linking it to invasive fish outbreak

Carolyn Cowan 4 Nov 2025
Beatriz Matos (left) and Alessandra Sampaio (right), widows of Indigenous expert Bruno Pereira and British journalist Dom Phillips,

Dom Phillips & Bruno Pereira ‘would be killed again,’ Indigenous leader says

Karla Mendes 24 Oct 2025
Lina Ruiz and Lita Rojas outside of the court in Ucayali after hearing the first ruling. Image by Hugo Alejos.

Report finds 226 Indigenous land defenders in Peru at risk of violence

Yvette Sierra Praeli 29 Sep 2025
A hunter in Colombia. Photo by Rhett A. Butler

146 environmental defenders were killed or disappeared last year

Rhett Ayers Butler 17 Sep 2025
Vian Ruma from his Facebook page.

Vian Ruma, Indonesian activist, found dead. Aged 30.

Rhett Ayers Butler 10 Sep 2025

Death of activist critical of geothermal project raises alarm in Indonesia

Hans Nicholas Jong 10 Sep 2025
Dang Dinh Bach speaking.

Dang Dinh Bach: He fought for clean air. Now he breathes through bars.

Rhett Ayers Butler 12 Aug 2025

Jailed Vietnamese civil society leader wins award, boosting calls for his release

Jenny Denton 1 Aug 2025
Butterfly on a man's hand in Madre de Dios

Peruvian rainforest defender shot dead in suspected targeted killing

Mongabay.com 29 Jul 2025
Ly Chandaravuth, Mother Nature Cambodia activist. Image © Andy Ball.

The price of protecting what’s left in Cambodia

Rhett Ayers Butler 18 Jul 2025
Young activists risk all to defend Cambodia’s environment

Young activists risk all to defend Cambodia’s environment

Andy Ball, Marta Kasztelan 2 Jul 2025
Dom Phillips interviewing Mariana Tobias, from the Macuxi people, at the Raposa Serra Do Sol Indigenous Territory, in northern Roraima state, in the Brazilian Amazon. © Nicoló Lanfranchi.

Dom Phillips’ posthumous book centers on collaborative work for saving the Amazon

Karla Mendes 30 May 2025
Cambodian journalist Ouk Mao has faced physical and legal threats for his continued reporting on environmental crimes in Prey Lang Wildlife Sanctuary. Image by Nehru Pry / Mongabay.

Attacks on Cambodian environmental journalist continue to pile up

Gerald Flynn, Nehru Pry 12 May 2025

Mother Nature Cambodia activists denied bail by Supreme Court

Gerald Flynn 2 May 2025
radiated tortoise

How tortoise conservationist Hery Razafimamonjiraibe manages risks to antipoaching teams

Carolyn Cowan 10 Jan 2025

Southeast Asia in review: 2024

Carolyn Cowan, Gerald Flynn 30 Dec 2024

Narco airstrips beset Indigenous communities in Peruvian Amazon

Mongabay Latam 9 Dec 2024

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