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
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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
Trust for Sustainable Living — International Schools Essay Competition
Every year, the essay competition focuses on a different global sustainability challenge. This year’s theme is “Creating a Sustainability Culture.” Participating students are invited to create a piece of artwork, music, video, poem, essay, letter, or story. The Grand Prize trophy winner will receive a free international trip to a TSL Summit, including £1000 spending money. Schools have to register a Teacher Champion to participate in the competition. The deadline for essay entries is 01 March 2026. Details
Environmental Research & Education Foundation — Sustainable Solid Waste Management Research Program
The Environmental Research & Education Foundation (EREF) seeks applications for the Sustainable Solid Waste Management Research Program in North America. Pre-proposals must relate to sustainable solid waste management practices in the topic areas of waste conversion to energy, biological conversion technologies, and recycling, among others. Previously awarded grants have ranged from $15 thousand to over $500 thousand with an average grant size of about $160 thousand for 2 years. There are no restrictions in regard to geographic location. EREF has two deadlines per year with pre-proposals being accepted 15 days prior to the deadline date. The next application deadlines are 01 December 2025 and 02 March 2026. Find out how to apply for a grant
Belmont Forum — Ocean Biodiversity and Ecosystem
The Belmont Forum welcomes transdisciplinary research addressing global ocean challenges. Proposals should focus on at least one of three key areas: Biodiversity Conservation and Nature-Based Solutions; Ocean-Biodiversity-Climate Integration; Nature Futures, Ocean Governance, and Ethics for Sustainability. Projects are expected to last 36 months and involve research consortia with participants from multiple countries and disciplines, including societal partners. All projects should include 3 funding agencies from 3 different countries. Registrations are due 06 March 2026. Ocean call
United Nations University — PhD Internships in Economics
UNU-WIDER (World Institute for Development Economics Research) invites applications for its PhD research internship program in Helsinki, Finland. Preference is for applicants who live or work in developing countries, and who are in the later stages of their PhD. Program themes in WIDER include the economics of energy, climate change, food security, and others. UNU-WIDER provides a travel grant and a monthly stipend of €1,850 during the period of the fellowship. Deadlines for submission of applications are 31 March and 30 September each year. Know more about the program
Pacific Development and Conservation Trust — Community Projects in the Pacific Islands
New Zealand’s Pacific Development and Conservation Trust makes grants for conservation, cultural heritage, development, and goodwill in the Pacific Islands. The priority is community projects, including conservation projects that involve representative, endangered, threatened, or unique habitats and species. Eligibility for grants extends to citizens of New Zealand and eligible Pacific countries and territories. Most past grants range from NZ$2 thousand to NZ$50 thousand. The deadlines for expressions of interest are 18 September 2025 and 18 March 2026. More about the application process
Belgian Royal Academy for Overseas Sciences — Research Competition 2026
Each year, the Belgian Royal Academy for Overseas Sciences sponsors a competition to stimulate high-quality research regarding problems inherent in the developing world. The questions for 2026 request a study on the impact of climate change on the spread of tropical diseases in humans, animals or plants. Each award-winning work is granted a prize of €2,500. The deadline for the 2025 competition is 01 March 2026. Find the questions for the 2026 competition