The United People Global (UPG) Sustainability Leadership training program offers young leaders from all over the world the opportunity to participate in an immersive 1-week experience on an island in the USA. UPG seeks young people (18-35 years) who want to take positive action that helps the world tackle a sustainability challenge to achieve any of the UN’s Sustainable Development Goals (SDGs). 500 young leaders will be selected to participate in an online program and receive a certification after successful completion of the online training. 60 participants will have the chance to attend the complimentary 1-week training in the USA (all costs of the program will be covered). Applications should be received by 31 December 2025 for the Class of 2026. UPG Sustainability Leadership
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Alexander von Humboldt Foundation — International Climate Protection Fellowships 2026
The Alexander von Humboldt Foundation offers 15 fellowships for young climate experts from developing countries interested in conducting a project in Germany and pursuing long-term collaboration. The fellowship (up to €2,670 per month) allows future leaders to spend a year in Germany working on a research-based project of their own choice in the field of climate protection. Fellows choose their own hosts. The fellowship includes intensive language training and an orientation program during the introductory phase. The deadline for applications is 01 February 2026. Climate Protection Fellowships
Eco-Business and Temasek Foundation — Liveability Challenge
In 2026, the Liveability Challenge (TLC) seeks disruptive innovations that can decarbonize energy generation and industries; or establish a circular urban agriculture/aquaculture system. Finalists will get an opportunity to pitch their solutions to a team of investors and have the chance to win up to S$2 million in grant funding for project development. The competition is open to Singapore-based and international participants who have a pilot project in Southeast Asia. The application deadline is 09 February 2026. The Liveability Challenge
Kellogg School of Management — Sustainable Investing Challenge
The Kellogg-Morgan Stanley Sustainable Investing Challenge invites teams of graduate students from around the world to develop and pitch creative financial approaches and solutions to tackle pressing social and environmental challenges. Graduate students from around the world are invited to participate. The overall winning team receives US$10 thousand and the runner-up receives US$5 thousand. Teams must register in advance to request a mentor that gives them feedback on their proposal prior to submission. The deadline for submission of project ideas is 22 February 2026. Sustainable Investing Challenge
Trust for Sustainable Living — International Schools Essay Competition
Every year, the essay competition focuses on a different global sustainability challenge. This year’s theme is “Creating a Sustainability Culture.” Participating students are invited to create a piece of artwork, music, video, poem, essay, letter, or story. The Grand Prize trophy winner will receive a free international trip to a TSL Summit, including £1000 spending money. Schools have to register a Teacher Champion to participate in the competition. The deadline for essay entries is 01 March 2026. Details
Earth Journalism Network — Communicators’ Workshop
The Earth Journalism Network (EJN) invites communicators to join a media workshop on renewable energy in Mumbai (October 2025). The call is open to communicators based in India from print, online, radio and television outlets. Participants will have the opportunity to go on a field trip and interact with members of a coastal community to understand the situation firsthand. EJN will cover the cost of travel, accommodation and meals for selected participants. The deadline to apply is 14 September 2025. Communicators’ Workshop
AAUW — International Project Grants
AAUW’s International Project Grants provides support for women to lead community-based projects that advance gender equity for women and girls in their home country. (Note: Fields of study may include one or more categories of the Terra Viva Grants Directory as long as they focus on the advancement of women and girls’ rights.) Award amounts are up to US$ 15 thousand for one year. To be eligible for an International Fellowship, applicants must have citizenship in a country other than the U.S. and intend to return to her home country to pursue a professional career. The deadline for applications is 30 September 2025. International Project Grants
International Centre for Integrated Mountain Development — Mountain Prize 2025
The International Centre for Integrated Mountain Development (ICIMOD) seeks nominations for the 2025 Mountain Prize. The Prize is awarded to an individual or organization that has demonstrated outstanding efforts enabling sustainable and resilient mountain development in the Hindu Kush Himalayan region. The prize is currently set at US$ 2,500. Thematic areas include access to water for drinking or/and sanitation, food/nutrition security, climate change adaptation or/and disaster risk reduction, access to clean energy, ecosystems/biodiversity management, and two others. Women and youth are encouraged to apply. Nominations are accepted until 15 October 2025. Mountain Prize
Wellcome Trust — Career Development Awards
The Wellcome Trust supports bold and creative discovery research that has the potential to improve human life, health, and well-being. Career Development Awards provide funding for mid-career researchers from any discipline who have the potential to be international research leaders. Research can be in any discipline, including STEM, experimental medicine, or climate – as long as it has the potential to improve human life. The Trust provides a salary for the grant holder and research expenses for up to 8 years. The applicant’s host organization has to be based in the UK, the Republic of Ireland, or a low- or middle-income country (apart from India and mainland China). The deadline for new applications is 20 November 2025. Wellcome Career Development Awards
U.S. National Science Foundation — International Research Experiences for U.S. University Students 2026
Through the program IRES, the National Science Foundation supports U.S. university students (graduate and undergraduate) to engage in international research. Past fellowships include several in developing countries in subject areas such as ecology, renewable energy, climate change, and others. Full proposals are due 26 October 2026. More information