Enabling sustainable solutions for the long-term survival of the orangutan in the wild.
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Orangutan Land Trust
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"For orangutans, even a road through forest can split habitat and isolate populations. For elephants, shrinking habitat often leads to crop raids, fear, retaliation, and losses on both sides."
insightsindonesia.com/indonesia/ca...
Critically endangered Tapanuli orangutan population falls after heavy rain and landslides, fuelled by climate crisis, in North Sumatra
www.theguardian.com/world/2026/j...
Indonesia braces for rising forest fire risks from dry season, weather agency says www.msn.com/en-us/weathe...
"Vast oil palm plantations and mining concessions have replaced landscapes that once absorbed rainfall and stabilised soil."
thediplomat.com/2026/06/how-...
NEW: An estimated 7% of the entire population of the critically-endangered Tapanuli Orangutan were killed in a single weather event, according to research led by Borneo Futures with @frediotto.bsky.social as an author.
An estimated 58 Orangutans were killed by landslides during Cyclone Senyar (1/4)
Climate change-fuelled landslides push rarest great ape closer to extinction
About 7% of the entire population of the world’s rarest great ape are estimated to have been killed by landslides in a storm that was worsened by climate change, a new study has found 🧵
Using climate attribution methods, the scientists also found that the rainfall intensity was increased by as much as 50% as a result of human-induced climate change, demonstrating how worsening weather extremes present a growing threat to endangered wildlife.
📸 Orangutan Information Centre.
The scientists analysed satellite evidence of landslide scars in the West Block of the Batang Toru Ecosystem, home to the largest population of the apes.
They concluded that around 58 Tapanuli orangutans died due to the landslides - about 7% of the estimated remaining population in the wild.
Read the paper, published in Current Biology: www.sciencedirect.com/science/arti...
Scientists analysed the impact of Cyclone Senyar on Indonesia's critically endangered Tapanuli orangutans.
They found that the storm’s extreme rainfall in November 2025 resulted in landslides that delivered a severe demographic shock to a species already on the brink of extinction.
Orangutan Land Trust
Orangutan Land Trust
Orangutan Land Trust
Orangutan Land Trust
World Weather Attribution
Grantham Institute - Climate Change and the Environment
Grantham Institute - Climate Change and the Environment
Grantham Institute - Climate Change and the Environment
Grantham Institute - Climate Change and the Environment
Grantham Institute - Climate Change and the Environment
The Indonesian political system has enabled deforestation through weak oversight, opaque licensing, and regulations designed to favor extractive industries.
