Van Tienhoven
Foundation

The Van Tienhoven Foundation makes small grants available for the protection of threatened species and key ecosystems across the globe

Applications open January 1, 2026.

For the 2025 application round, only countries on the DAC list from Asia and Latin America were eligible. Additional requirements regarding region/purpose may be decided for the next round. These will be announced by November 1 at the latest.

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We counter human-induced causes of threats to species and ecosystems. By supporting practical and hands-on solutions with maximum protection impact. Owned or widely supported by local stakeholders to generate sustainable change.

Community managed nature protection

Promoting Coexistence in the Central Highlands of Sri Lanka

The Central Highlands of Sri Lanka support a remarkable diversity of carnivores, including three species of wild cats—the fishing cat (Prionailurus viverrinus), rusty-spotted cat (Prionailurus rubiginosus), and leopard (Panthera pardus)—alongside a range of other small carnivores. These species serve as both keystone and flagship predators, playing critical roles in shaping ecological communities and acting as […]

Community managed nature protection

Students for Rivers Camp Marañón

The Students for Rivers Camp is a two-week program designed to deepen participants’ understanding of the Río Marañón and actively involve them in its long-term protection. This inaugural edition aims to contribute to the advancement of legal protection for the Marañón River by bringing together young researchers from diverse disciplines and countries. A group of […]

Species protection

Saving the Songbird

A Community-Based Conservation Initiative for the Yellow-breasted Bunting in Madhesh Province, Nepal   The Yellow-breasted Bunting (Emberiza aureola), once a widespread migratory songbird across Asia, now teeters on the brink of extinction due to rampant illegal hunting and severe habitat degradation. In the lowland farmlands of Madhesh Province, Nepal, these birds are regularly trapped, traded, […]

Community managed nature protection

Conserving Palestines Endangered Floral Treasure

Safeguarding the Nablus Royal Iris: A Community-Based Conservation Initiative in Palestine   The Nablus Royal Iris (Iris lortetii var. samariae) is one of the most striking and threatened wildflowers in Palestine. Endemic to the Nablus Mountains, this rare plant is under increasing pressure from habitat loss, urban expansion, agricultural encroachment, overgrazing, and unregulated collection. With […]

Community managed nature protection

Operation Beirut Monk Seals

In the heart of Lebanon’s bustling capital, the cliffs and sea caves of Raouche shelter an unexpected treasure: the critically endangered Mediterranean monk seal. With fewer than 700 individuals remaining worldwide, the presence of this species in Beirut’s urban waters is both miraculous — and deeply at risk. In response, TERRE Liban launched Operation Beirut […]

Species protection

Conserving The Critically Endangered Tarantula

Conserving the Critically Endangered Tarantula: Habitat protection and community-driven action in Rameswaram Island, Tamil Nadu, India The Rameswaram Ornamental Tarantula is a Critically Endangered spider endemic to Rameswaram Island in Tamil Nadu. Habitat loss, collection from the wild and intentional killing are the major threats to the species. The project will achieve comprehensive species documentation, […]

Species protectionEcosystem protection

Rapid Response Project To Save The Mindo Toad

The project seeks to safeguard the only known population of the critically endangered Mindo Harlequin Toad. A rapid-response monitoring initiative will be launched to confirm the species’ presence in a newly available land plot. This crucial step is needed to secure funding for the immediate purchase and protection of the adjacent upstream habitat. Preserving this […]

Ange Imanishimwe

BIOCOOP

“We wish to tell you that you were very helpful in supporting BIOCOOP to get grants from your good Foundation and without your support a number of indigenous tree species and animals in Nyungwe National Park could not be healthy! But now more than 35 hectares were restored and biodiversity conservation was taught to many folks in Rwanda.”

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Open January 1, 2026.

To the application process