The Gadfly Project makes in-kind grants for organizations seeking to implement a software initiative in the fields of environmental protection and climate change mitigation. The grant is available to organizations both international and domestic with a focus on environmental protection and sustainability. Software development efforts with a magnitude between US$5 thousand and US$100 thousand are preferred. Please note that this is an “in-kind” grant (not a cash grant). Grants are evaluated quarterly. The deadlines are 23 January, 24 April, 24 July, and 23 October 2026. Details here
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New Earth Foundation — Innovative Environmental Initiatives
The New Earth Foundation (NEF) seeks Letter of Inquiries (LOIs) to fund innovative environmental initiatives that are working to help eliminate pollution and save the planet’s ecosystems, and community projects that create models of social sustainability. Past projects include gardening and building houses in earthquake-impacted regions, using solar equipment to provide clean water to poor communities, planting trees for clean air, and many others. NEF only funds 501(c)(3) organizations. Applicants from outside the US may apply through a fiscal sponsor. Letters of Inquiry can be sent at any time during the year. These letters are reviewed twice a year and applicants that fit the requirements will receive the invitation to submit a full grant application. The deadlines for review are 01 February and 01 July each year. More about this opportunity
United Nations — Local Pathways Fellowship
The UN Sustainable Development Solutions Network – Youth Initiative (SDSN Youth) recruits participants for its 2026 cohort of the Local Pathways Fellows. The 10-months fellowship program provides young leaders with a platform, capacity building, training opportunities and contacts of leading development experts and practitioners. The Local Pathways Fellowship is unpaid. Fellows will benefit from global visibility and exposure. Young candidates (18-30 years) working towards achieving any of the Sustainable Development Goals and representing any city or country in the world are encouraged to apply. Applications will be accepted until 21 December 2025. Link to Local Pathways
Imagine H2O — Water-Technology Startups Asia
Imagine H2O seeks innovative water solutions from anywhere in the world. Any company offering solutions for water access, safety, resilience, or efficiency is welcome to apply. Selected candidates will have access to a network of industry executives, experts, and entrepreneurs and showcase their ideas during a week-long boot camp at the Water Innovation Week. Participants will receive cash awards and in-kind donations from strategic partners. The deadline for applications is 19 December 2025. For more information, visit the Imagine H2O Accelerator Program
Commission for Environmental Cooperation — Environmental Leaders Program
The Commission for Environmental Cooperation (CEC) offers the Generation of Environmental Leaders Program (GELP). Youth aged 18–35 from Canada, Mexico or the United States are invited to propose practical solutions for protecting land, water, and air across North America. Selected teams get mentorship, participation in a youth-environmental network, and seed funding of C$15 thousand to help turn their ideas into real projects. The deadline for applications is 01 February 2026. Environmental Leaders Program
European Commission — Zukunftskolleg Konnect Fellowships
The European Commission, through the Euraxess initiative, offers the Zukunftskolleg Konnect Fellowships to support researchers from Africa, Asia, and Latin America. ZUKOnnect aims to extend research networks and environments through on-campus research stays at thirteen departments of the University of Konstanz. Subject areas include ecology, limnology, ecotoxicology, botany, amongst many others. The fellowship offers a stipend of €1,300/month for doctoral students and €2,000/month for postdoctoral researchers, as well as travel expenses and access to resources and events. The deadline for applications is 01 February 2026. Zukunftskolleg Konnect Fellowships
Global Water Intelligence — Global Water Awards 2026
Nominations are open for the annual Global Water Awards 2026. Global Water Intelligence seeks technologies, plants, projects, and companies that make significant contributions to the development of the water sector. Focus areas include water or wastewater treatment, water conservation and management, ecologically sustainable industry technologies, and commercial solutions, among others. Nominations are open to everyone (including individuals, companies, organizations, or initiatives etc.). Nominations close on 27 February 2026. Find the call
Rockefeller Foundation — Fellowship for a Better Future
The Rockefeller Foundation supports African leaders who are creating bold, systemic solutions to critical challenges across the continent. Projects can range from social innovation and policy work to tech-driven and community-based efforts. Key focus areas include renewable energy access, resilient health systems, transformed food systems, and regional economic integration. The pre-application deadline is 01 December 2025. Big Bets Fellowship
Embassy of Japan in Trinidad and Tobago — Grants for Grassroots Projects
The Embassy of Japan in Trinidad and Tobago provides financial assistance in the fields of basic human needs (agriculture, medical and health care, public welfare, and the environment), human resource development (education, research, training), and basic economic infrastructure. The Embassy supports projects proposed by NGOs, schools, hospitals, and local government authorities in 9 Caribbean countries. Potential recipients are international or local NGOs, community-based organizations, educational institutions, and local governments. The application deadline is 20 December 2025. More about this opportunity
South Asian Network for Development and Environmental Economics — Environmental and Resource Economics in South Asia
SANDEE invites research concept notes in any area of environmental and resource economics relating to the development of South Asia and the Hindu Kush Himalaya, including environmental issues faced by people living in the plains, hills, and mountains. Examples of research previously supported by SANDEE include: renewable energy subsidies that target the poor; analysis of possible payments to farmers for ecosystem services; and research on the economics of climate change. Proposals must include a strong economics component. Grants will be in the range of US$20-30 thousand over a two-year period. Concept notes have to be submitted by 31 December 2025. SANDEE Research Grants