Submissions are open for the Posterheroes contest that calls for posters about social and environmental issues. Posterheroes invites students, professional designers, and everyone who is into graphic design to create a poster. Participants can win a cash prize of up to US$2,500. The submission deadline is 22 August 2025. Link to the contest
individuals
SustainE — Young Researchers Award
The SustainE Young Researchers Award aims to recognize and reward outstanding research in sustainability by young scholars. The award includes a $1000 prize for the best paper. Eligibility extends to researchers under 40 years with original, unpublished papers on sustainability issues (including environment and energy). The application deadline is 25 August 2025. SustainE Young Researchers Award
The Pollination Project — Animal Welfare Grants
The Pollination Project (TPP) supports individuals and groups who are working to protect farmed animals. TPP funds projects that aim to reduce the consumption of animals, advocate for farmed animal welfare, and raise awareness about farmed animal cruelty. The Pollination Project supports individuals and groups with US$1,000. Grants are open to anyone in the world, but applications from people in Brazil, India, and Mexico are especially welcome. Applications are accepted on a continuous basis. Animal Welfare Grants
Partnership for Observation of the Global Ocean — Shipboard Fellowship 2025
The Partnership for Observation of the Global Ocean (POGO) offers several shipboard fellowship opportunities. This fellowship program aims to promote training and capacity building leading towards a global observation scheme for the oceans. Eligibility extends to early career scientists, technicians, PhD and MSc students, and Post-doctoral Fellows involved in oceanographic work at centers in developing countries and countries with economies in transition. Selected candidates will receive subsidies to visit the host institution and to go on the cruise, as well as training on seafaring medical and sea survival. Applications can be submitted anytime. Find the open call for 2025
Heinrich Böll Foundation — Green Foreign Policy Fellowship
The Green Foreign Policy Fellowship supports scholars, practitioners, and experts worldwide in advancing progressive foreign and security policy. Fellows receive a €6,000 stipend, travel support, and opportunities for international networking and policy engagement. Applicants must be recent graduates, PhD candidates, or professionals with a background in international relations or political science, and a demonstrated interest in green foreign policy. The application deadline is 31 May 2025. Green Foreign Policy Fellowship
Food and Agriculture Organization — Drylands Global School
The COFO Working Group Drylands Global School 2025 is a capacity-building program aimed at professionals engaged in dryland management. The 2025 edition will take place in July 2025 in Mongolia, focusing on enhancing governance of dryland forests, rangelands, and agrosilvopastoral systems. While the school itself is free of charge, the participants or their organizations need to cover their travel and accommodation costs. Applicants should have experience in dryland management and must submit an expression of interest. Details
Forbes — Sustainability Leaders
Nominations are open for Forbes’ Sustainability Leaders list. Forbes seeks leaders spanning all industries and disciplines in recognition that a diverse climate movement is critical. Forbes Sustainability Leaders will serve as a directory of those driving the innovative and scalable solutions the world needs. The list is open to visionary startup founders mobilizing and scaling technological advancements, C-Suite executives taking risks and accelerating current gold-standard climate policy, scientists, policymakers, social advocates, investors, storytellers, and artists. The deadline to submit all nominations for the list is 13 June 2025. Forbes Sustainability Leaders
International Organization for Migration — Climate Mobility in Africa
The International Organization for Migration (IOM) launches a call for applications for the initiative “Accelerating Youth-Led Action in Addressing Climate Mobility in Africa.” The program aims to strengthen the capacities of youth and youth-led civil society organizations across Africa by providing technical expertise, resources, and platforms to lead climate mobility solutions. Eligibility extends to youth and youth-led civil society organizations based in Africa. Interested applicants must submit their proposals by 15 June 2025. Know more
UK Royal Society — International Collaboration Awards
The International Collaboration Awards provide funding to enable research leaders in the UK to develop research collaborations with international partners. The grants are open to newly independent researchers ready to lead an international research program. Applications can apply to the Royal Society for up to £225 thousand over three years. ODA-eligible applications which include Least Developed Countries can apply for additional funding. The application deadline is 08 July 2025. International Collaboration Awards
YMCA Network Solutions — Youth Empowerment Fund
The YMCA Network Solutions Youth Empowerment Fund is a grant opportunity designed to support youth-led initiatives that address local challenges and advance the Sustainable Development Goals. The grant is open to YMCA National Movements and their local associations in countries eligible. Grants of €10 thousand to €20 thousand are available for national projects, and up to €30 thousand for multi-country collaborations involving at least three countries. Applications close on 18 May 2025. Link to more information