The Sequoia Park Zoo supports field research, habitat restoration, rescue and rehabilitation efforts, public awareness campaigns, and annual lecture series. The Zoo also offers an annual Conservation Grant Program, awarding up to US$3,000 per project, for work that delivers clear, measurable impact on wildlife or habitat conservation. Applicants must be affiliated with a conservation-related organization or an education institution. Pre-proposals can be submitted until 03 November 2025. Conservation Grant Program
nonprofit orgs
F. M. Kirby Foundation — Social Impact Prize
- M. Kirby Impact Prize is an annual global prize of US$150 thousand that amplifies and accelerates the work of enterprises working to scale their impact on social or environmental problems around the world. Applicants must have strong evidence of impact over at least 3 years and a plan for how to use the prize to scale that impact in the next 3-5 years. The prize is open to nonprofit, for-profit, or hybrid organizations working anywhere in the world. The deadline for applications is 03 December 2025. Know more
United Nations Environment Program — Sustainable Public Finance for Biodiversity
The IKI–GIZ “FAST” (Fast-tracking Transformation through Sustainable Public Finance for Biodiversity) Project seeks up to eight implementing partners to support work in Brazil, Costa Rica, Indonesia, and Nigeria. The program aims to help countries redesign public finance systems to align financial flows with biodiversity protection. Activities ( up to US$450 thousand per country) include conducting stocktaking and feasibility analyses on biodiversity-related public finance, capacity needs assessments, analyzing fiscal impacts on biodiversity, forming research networks, and developing indicators linking biodiversity, gender, and public finance. Partners must be non-profit or semi-governmental organizations. Proposals are due by 31 October 2025. Know more
MedWet — World Wetlands Day
MedWet launches a call for projects to financially support actors in the realization of educational animations within the framework of the World Wetlands Day 2025. MedWet will select up to 34 projects and provide financial support of €250 for the implementation of campaigns and educational activities that highlight the importance of wetlands for humanity and the planet. This call targets actors that engage in wetland conservation in the Mediterranean region. Applications have to be submitted by 10 November 2025. Link to more information
Commission for Environmental Cooperation — Community-based Circular Economy Strategies
The Commission for Environmental Cooperation (CEC) accepts applications for projects that advance community-led environmental solutions grounded in circular economy strategies. Projects should improve local well-being and environmental outcomes in North America by shifting resource use toward reuse, repair, remanufacture, or recycling, and by keeping materials in circulation for as long as possible. The CEC will accept proposals for up to C$150 thousand. Eligibility extends to non-profit, community-based, Indigenous, academic, and other registered organizations operating in Canada, Mexico, or the United States. The deadline for submitting proposals is 01 December 2025. Details here
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
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
Box Impact Fund — Digital Transformation to Save our Planet
The Box Impact Fund will award a total of US$150 thousand to six different non-profit organizations pursuing digital transformation projects. Each selected organization will receive a US$25 thousand grant to put their idea into action. The project category “Protecting the Planet” covers areas such as environmental protection, energy conservation, renewable energy, nature conservation, and biodiversity. The application deadline is 10 November 2025. Box Impact Fund
UNOPS — Pollution in the Black Sea
The Eco-Innovation Challenge seeks innovative solutions to tackle pollution sources such as agricultural runoff, municipal wastewater, industrial chemicals, and marine litter affecting the Black Sea. Innovators from eligible countries may apply through two windows: a Focus Country Window (Georgia, Moldova, Türkiye) for deployment-ready interventions (grants of US$50 thousand to US$300 thousand) and a Greater Black Sea Window for earlier-stage ideas (technical assistance up to US$20 thousand). The deadline for expressions of interest is 14 November 2025. Eco-Innovation Challenge
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