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
Velux Stiftung — Sustainable and Integrative Forest Management
Velux Stiftung seeks solutions for adapting to or mitigating climate change, promoting biodiversity, and providing resilient ecosystem services while supplying sustainable forest products. Proposals can be for an implementation-oriented research project that has a high potential to foster change in practice. Projects dealing with all types of forests: boreal, temperate, tropical, and subtropical forests are welcome. Projects may last from 1 to 4 years. Funding of up to CHF100 thousand per year is available. At least one partner needs to be from a university or a research institution. The deadline for proposals is 22 September 2025. Details here
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
Allianz Global Investors — Illustration Competition
The “Art on Climate” International Illustration Competition invites illustrators to create artworks that address the theme of climate change. The goal is to provide a platform for the exchange of ideas and solutions to tackle climate change. Prizes range from €2,000 to €150. Any person aged 18 or above is eligible to participate. The artwork has to be registered and uploaded by 31 July 2025. International Illustration Competition
Asia Foundation — Grants for Environment and Development
The Asia Foundation makes grants in a wide variety of program areas, including the Environment. Thematic interests in the environment include natural resource management and use; water resource management and transboundary water sharing; climate change adaptation and resilience; disaster preparedness and risk reduction; urban environmental issues; and women and the environment. The Foundation makes most of its grants to organizations based in the Asia-Pacific region. Letters of inquiry may be submitted at any time. Find details
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