The Global Thinkers Forum brings together a diverse network of thought leaders to share their visions of the future, create meaningful conversations around them, and effect positive change in the world. The program consists of an 8-month mentoring cycle that includes one-on-one sessions with experienced thought leaders and individuals aged between 18 and 29 from all over the world. The program’s mentors are successful individuals across several professional fields and countries. The application deadline is 28 November 2025. Become a Global Thinkers Mentee
early-career
Campus France — Visiting Fellowship for Early Career Researchers
The Make Our Planet Great Again (MOPGA) initiative calls for applications from young researchers who wish to carry out their research in France. MOPGA intends to award 40 fellowships for a duration of 12 months with a monthly allowance of €2,500. Eligible research themes include climate change and energy transition. Foreign researchers must hold a doctoral degree for less than 5 years. The application period ends on 12 December 2025. MOPGA Visiting Fellowship
National Geographic Society — Coastal Ecosystems
National Geographic invites science-driven proposals that protect, restore, or enhance blue forest coastal ecosystems—such as mangroves, salt marshes, kelp forests, and seagrass meadows—to benefit both biodiversity and local communities. The program supports two funding levels: Level I grants up to US $20 thousand, ideal for early-career project leaders, and Level II grants up to US $100 thousand for more established practitioners seeking deeper impact. Projects must be science-oriented and are strongly encouraged to partner with communities. The RFP closes on 03 October 2025. Link to RFP
IHE Delft Institute for Water Education — Young Water Diplomats Program
The Young Water Diplomats Program is an interdisciplinary training and networking program for early-career diplomats engaged in international water and environmental politics. The program features online and in-person learning activities to enhance participants’ understanding of transboundary water challenges and advance their ability to use tools for water cooperation and diplomacy. There are a limited number of fellowships for applicants from low- and middle-income countries. The application deadline is 14 October 2025. Young Water Diplomats Program
Dalai Lama Fellows — Mentorship for Emerging Leaders
The Dalai Lama Fellowship offers emerging leaders from all around the world mentorship and coaching to design and implement their own original field projects addressing a global challenge. Project areas include environmental sustainability, among others. The fellowship does not offer funding for projects, instead, it offers coaching and a global community. This program is open to next-generation leaders (20-35 years old). The deadline for applications is 12 November 2025. Dalai Lama Fellows
United People Global — Leadership Training Program
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
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
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
Nigeria Energy Forum — Africa Energy Innovation Competition 2025
NEF invites applications for the Africa Energy Ideas Competition which aims to accelerate the development of early-stage energy firms across Africa. The competition is open to early-stage energy entrepreneurs from Africa to collaborate with local research institutions or industries. Young professionals between the ages of 18 and 35 years from Africa are invited to participate and nominate a relevant local research institution or organization. Winners will pitch their proposed prototype model at the Nigeria Energy Forum and receive a cash prize of up to $10 thousand. The deadline for proposal submission is 15 September 2025. Click here
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