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
climate
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
Rainforest Action Network — Climate Action Fund
The Climate Action Fund makes small grants to community groups that are active in preventing the extraction of fossil fuels, and in preventing or decommissioning large point sources of greenhouse gas emissions. Grants can be made in all regions, but the Fund’s geographic priority areas are South and North America. Grants generally do not exceed US$2,500. Applications can be submitted at any time. About the Climate Action Fund
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
Climatic Peace — Climate Action and Disaster Risk Reduction Fellowship
The Climate Action and Disaster Risk Reduction (DRR) Fellowship Program 2025 is a 12-week hybrid initiative designed to empower young changemakers across the Arab States. The program aims to equip participants with the knowledge, skills, and support needed to drive climate action and enhance disaster resilience through innovative, community-driven solutions. The program is open to youth-led NGOs, student groups, social enterprises, or informal collectives. The deadline for applications is 20 May 2025. Details here
Scotiabank — Decarbonization Research
Scotiabank’s Net-Zero Research Fund (NZRF) supports registered charities and non-profit organizations conducting research to advance global decarbonization efforts. Funded projects have addressed topics such as carbon footprint reduction in artisanal mining, carbon capture through native species in the Amazon, and real-time data platforms for solar energy performance. Grants range from CA$25 thousand to CA$100 thousand. Applicants must be registered charities or non-profit organizations in Canada, the US or Latin America. The deadline to apply is 22 May 2025. Net-Zero Research Fund
Canada Fund for Local Initiatives — Community Projects in Pakistan
The Canada Fund for Local Initiatives invites proposals that meet the needs of local communities in Pakistan. The priorities under this call include one on environment and climate action focusing on adaptation and mitigation, as well as on water management. The average contribution is C$30 thousand per project. Eligibility extends to local community organizations, non-profit organizations, and academic institutions. The deadline for submission is 30 May 2025. Click here
United Nations — Marine and Coastal Ecosystems
The SEA Grants program supports community-based conservation initiatives and research aimed at enhancing marine and coastal ecosystem management in the East Asian Seas region. Grants range from US$5,000 to US$50,000 for projects lasting 12 to 18 months. Eligible applicants include local organizations, NGOs, and community groups operating in countries participating in the SCS SAP. The application deadline is 15 May 2025. SEA Grants
Canada Fund for Local Initiatives — Community Projects in Zimbabwe, Botswana and Malawi
The Canada Fund for Local Initiatives supports small-scale, high-impact projects in Zimbabwe, Botswana, and Malawi. The priorities under this call include women’s economic rights (which can include agriculture), environment and climate action focusing on adaptation and mitigation, as well as on water management. The average contribution is C$35 thousand to C$50 thousand per project. Eligibility extends to local community organizations, non-profit organizations, and academic institutions. Expressions of Interest have to be submitted by 16 May 2025. CFLI