The D-Prize funds pilot projects that more widely distribute relatively low-cost products and services in the fight against poverty. The current challenges include social enterprises for innovations in specified themes of agriculture; energy; WASH; and several other categories. The D-Prize will award 30 teams with up to US$20 thousand each to launch nonprofits or social ventures that can distribute proven poverty interventions to people in need. Eligibility to compete extends to entrepreneurs anywhere in the world and of any age or background. The D-Prize invites concept notes before 23 November (early deadline); 14 December (regular deadline); or 04 January 2026 (limited extension). Link to D-Prize
community projects
Weeden Foundation — Protecting Biodiversity in Chile and Russia
The Weeden Foundation makes grants for biodiversity conservation in forest ecosystems, riparian corridors, and riverine and aquatic environments of ecological importance. Weeden’s international priorities are the Patagonia region of Chile, and the Altai Republic of Russia. The average grant size is between US$15 and US$20 thousand. The Foundation requests letters of inquiry (LOI) at least one month before proposal deadlines. The next deadline for applications (English, Spanish) is 09 January 2026. Find details
Free Rivers Fund — Free-Flowing Rivers
The Free Rivers Fund announces grants to support initiatives and actions in defense of free-flowing rivers. The Fund provides grants for activist and conservation groups that commit to the fight to protect rivers from dams and development. The total amount of funding is not fixed but depends on the total incoming donations. Generally, supported grantees can expect between €1000 and €2000. The application deadline is 10 January 2026. Details here
Waterloo Foundation — Environment Fund: Marine Resources
The Waterloo Foundation manages an Environment Fund that supports projects to manage and conserve marine resources. Applications are invited from UK charities in partnership with local organizations in the developing world, and from non-UK organizations that can provide suitable references in the UK. The majority of grants range from £50 thousand to £100 thousand for projects of up to three years. Application deadlines are 01 March and 01 September each year. About the Marine Fund
Japan Fund for Global Environment — Environmental Conservation Grants 2026
The Japan Fund for Global Environment makes grants to non-profit organizations in Japan and developing countries for field projects in environmental conservation. Grants are for grass-roots projects and range from 500 thousand to 3 million JPY. Each non-Japanese applicant needs to have an agent in Japan to communicate and apply in the Japanese language on behalf of the applicant. The application deadline is 17 November 2025. Environmental Conservation Grants
Roger Williams Park Zoo — Danforth Conservation Grants
The Sophie Danforth Conservation Biology Fund makes grants of up to US$1 thousand to protect threatened wildlife and habitats worldwide. Priority is for projects that demonstrate a multi-disciplinary approach to ecosystem conservation, and that involve in-country collaborators. Projects must directly affect biological conservation. Applicants can be of any nationality but must be associated with an organization (non-profit, university, etc.) through which they can receive funding. The application deadline is 01 January 2026. About the conservation grants
HawkWatch International — Global Raptor Research & Conservation Grant
The Global Raptor Research & Conservation Grant invests in projects led by citizens of developing countries with the aim of increasing diversity and inclusivity in conservation while building local capacity. Projects must be located in high-priority countries for raptor research and conservation (mainly Latin America, Sub-Saharan Africa, or Southeast Asia), focus on a single species of raptor, and be led by an applicant who is associated with a registered NGO and/or university in the country where the project will take place. Preference will be given to projects working in low-income countries. Applicants may apply for up to US$2,500. The application deadline is 15 January 2026. More information
Ernest Kleinwort Charitable Trust — Medium Grants for Conservation 2026
The Ernest Kleinwort Charitable Trust makes grants to charities working in the area of wildlife and environmental conservation in the UK and internationally. The international grants are primarily for conservation projects in the developing world. The applying organization has to be a charity registered in the UK. Applicants may request medium grants (up to £10 thousand). The Fund offers 4 application windows for medium project grants per year: 04 January – 04 February; 18 April – 12 May; 10 July – 13 August; and 09 October – 12 November 2026. Know more
Climate Intervention Environmental Impact Fund — Climate Intervention
The Climate Intervention Environmental Impact Fund (CIEIF) supports innovative projects worldwide working to reverse climate change. The fund supports EIA, predictive impact modeling, and engagement efforts with potentially impacted stakeholders for innovative climate intervention technologies that are on the verge of field testing. Applicants should write a grant request that demonstrates how they would spend US$75 thousand. Applications are due by 15 March 2026. Details here
Mitsubishi Corporation Foundation for the Americas — Grants for Environmental Conservation
The Mitsubishi Corporation Foundation for the Americas (MCFA) makes grants to nonprofit charitable organizations in Canada, the USA, and Latin America for biodiversity conservation, sustainable development, environmental justice, and environmental education. Most recent grants are for two to four years, ranging from under US$30 thousand up to US$1 million. The ideal timing for submitting proposals is during the first quarter of the calendar year. Link