The Zayed Sustainability Prize recognizes achievements that are driving impact, innovation and inspiration in environmental stewardship and global sustainability. The Prize is awarded across several categories: (i) Health; (ii) Food; (iii) Energy; (iv) Water; and (v) Global high schools (i.e., high schools in six world regions). The winners in each category receive US$600 thousand each. The closing date for applications and nominations is June 2026. Know more
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Zendesk — Tech for Good Impact Awards
The Zendesk Tech for Good Impact Awards provides free software and multiple grants ranging from US$5 thousand to US$50 thousand to global nonprofit organizations. Impact Awards are made to products that promote resilience, foster community, and increase access to careers in technology in areas that range from refugee rights to environmental justice. Zendesk will also provide free product and software donations and Pro Bono support. Applications are due 15 July 2026. Tech for Good Impact Awards
UNESCO World Heritage Center — Requests for International Assistance
Grants under the World Heritage Convention are made to help protect the World Cultural and Natural Heritage sites. Requests must be transmitted by a State Party National Commission for UNESCO or Permanent Delegation to UNESCO, or an appropriate governmental department or ministry. The limits on funding vary with the type of request (e.g., technical cooperation, training and research, promotion and education, preparatory assistance, emergency assistance). The next deadline for submitting requests is 31 October 2026. More information
11th Hour Racing — Ocean Health and Marine Stewardship
11th Hour Racing supports innovative projects that address environmental challenges in coastal communities and the marine industry. The program offers funding to non-profit organizations globally, though it prioritizes projects in the Caribbean, Puerto Rico, Hawaii, and the East Coast of the United States. Grants typically support initiatives focused on ocean literacy, plastic pollution reduction, clean maritime technologies, and ecosystem restoration. Most awards range from US$40 thousand to US$150 thousand for a one-year period, with an average grant size of US$75 thousand. Applications will be reviewed on a rolling basis throughout the year. About this opportunity
Leakey Foundation — Field School Scholarship
The Joan Cogswell Donner Field School Scholarship provides up to US$2 thousand towards field school tuition for students to support training in fieldwork related to human origins research. Applications for this scholarship have to be submitted by the field school director, not the scholarship recipient. Recipients must be enrolled in an undergraduate or graduate program in a country where there are limited resources for academic development. The scholarship is awarded year-round. Applications can be submitted anytime. Field school scholarship
The Earth Foundation — Earth Prize Schools Competition
The Earth Foundation invites secondary school students aged 13–19, working individually or in teams, to propose innovative solutions to environmental challenges at the local, national, or global level. Participants receive mentorship, learning resources, and expert guidance to refine their projects, with selected entries competing for cash prizes of up to US$12,500. The competition is open worldwide to eligible secondary school students. The application deadline is 30 January 2026. Earth Prize Schools Competition
University of Pennsylvania — Sustainability and Conservation Science Postdoctoral Fellowship
The Sustainability and Conservation Science Postdoctoral Fellowship supports early-career researchers conducting interdisciplinary work at the intersection of environmental science, conservation, sustainability, and policy-relevant research. The fellowship is open to recent PhD graduates from relevant disciplines. Fellows receive a competitive salary and full benefits for a two-year appointment, along with research support, mentoring, and opportunities for collaboration across Penn departments and centers. The application deadline is 30 January 2026. Postdoctoral Fellowship
Free Electrons — Clean Energy Transition
The Free Electrons Program is a global open-innovation accelerator that connects energy startups with leading utilities and energy system operators to pilot and scale breakthrough solutions for the energy transition. The program is open to startups worldwide with mature, market-ready technologies addressing areas such as grid digitalization, renewables integration, energy storage, flexibility, electrification, and climate resilience. Selected startups receive non-dilutive support, including paid pilot opportunities, access to utility partners, technical validation, mentoring, and global exposure (rather than a fixed cash grant). The application deadline is 31 January 2026. Free Electrons Program
Mountaintop International — Fellowship for Community Leaders
The Mountaintop Fellowship is a paid, one-year, full-time fellowship for local leaders to stay in or return to their home communities and contribute to systems change in lower-income places around the world. Fellows receive a US$3,600 grant paid in 12 installments and have the opportunity to apply for the Catalyst Fund, which funds up to US$2,500 for fellows to implement a project in their community. The fellowship is open to individuals worldwide. The application deadline is 08 February 2026. Mountaintop Fellowship
Honnold Foundation — Solar Energy Funding
The Honnold Foundation provides funding to organizations or projects that use solar energy to serve underserved or marginalized communities. Both domestic and international organizations may apply. Grant awards typically range from US$25 thousand to US$150 thousand. Organizations must have 501(c)3 status or equivalent status within their country of operation. The application deadline is 12 February 2026. Solar Energy Funding