The Joke Waller-Hunter (JWH) Initiative offers grants to advance the leadership of young individuals working for or affiliated with environmental civil society organizations in developing and emerging countries. JWH especially encourages the nomination of young women and local community leaders. Grants range from €2,500 to €7,000. The next nomination deadline is 31 August 2026. Details here
climate
Art Partner — Earth Art Contest
The Earth Partner Prize is an international art competition that invites creatives aged 14 to 30 from all backgrounds to submit original works—across any medium including visual art, film, performance, writing, fashion, digital creations, and more—that address the ecological crisis. Each participant may submit one project. Eight finalists will receive cash prizes of US $10 thousand, $5 thousand, or $2 thousand, and an additional 20 participants will receive honorable mentions from a distinguished, global jury. Applications must be submitted by 07 October 2026. Earth Partner Prize
Worldwide Universities Network — Research Development Fund
The WUN Research Development Fund (RDF) provides grants of up to £10 thousand for one year to foster research collaborations among academic staff (faculty) at WUN member universities. Applications are open to researchers from WUN member institutions. The RDF supports research projects that fall under the network’s principal research theme of sustainable development. The closing date is 15 October 2026. (Note: Most WUN member universities have earlier internal submission deadlines, and prospective applicants should contact their local WUN Coordinator as soon as possible.) Link to guidelines
Catalyst Fund — Climate Resilience Africa
The Catalyst Fund supports early-stage tech startups that are developing solutions for climate adaptation and resilience in Africa. Startups receive US$150 thousand in investment and An additional US$50 thousand worth of tailored venture-building assistance. Eligibility extends to companies developing technology solutions aimed at climate adaptation and resilience serving populations within Africa. Startups that are interested in partnering with the Catalyst Fund can submit a project pitch. Link
UK Government — Local Environmental Initiatives
The Darwin Plus Local program invites applications for small-scale projects aimed at protecting biodiversity and the natural environment in eligible UK Overseas Territories. Environmental non-governmental organizations, community groups, research institutions, and individuals can apply with practical initiatives that focus on biodiversity conservation, climate change adaptation, and habitat restoration. The program provides up to £50 thousand for projects managed by organizations and up to £20 thousand for projects led by individuals. The application deadline is 25 June 2026. Details here
International Indigenous Women’s Forum — Support for Indigenous Women’s Organizations
The International Indigenous Women’s Forum invites applications for its 2026 Ayni Fund to support initiatives that promote the rights and development of Indigenous communities. Grassroots groups, networks, and organizations led by Indigenous women globally are eligible to apply, provided they have not previously received funding from this program. The call supports projects focused on seven key themes, including economic empowerment, climate change resilience, and the prevention of violence against women. Funding amounts are not explicitly specified on the main portal, though the fund provides direct financial grants alongside technical accompaniment. The deadline for applications is 30 June 2026. Ayni Fund
UK Government — Extra Grants for Biodiversity
The Darwin Initiative invites applications for its Extra grants program to fund large-scale, collaborative projects aimed at protecting biodiversity and reducing poverty in eligible low- to upper-middle-income countries. Non-governmental organisations, research institutions, and private sector businesses can apply with initiatives that demonstrate strong potential to scale up proven environmental interventions. The program provides funding ranging from £1 million to £5 million for a project period lasting between two and five years. The deadline for Phase I applications is 01 July 2026. Grants for Biodiversity
Women and Gender Constituency — Gender Just Climate Solutions Award 2026
The Women & Gender Constituency invites applications for the Gender Just Climate Solutions Awards. The awards aim to showcase real solutions for a more just, equal, and healthy planet, such as non-technical climate solutions, technical climate solutions, and transformational climate initiatives with a women or gender perspective. Three winners will each receive € 5,000 and a chance to attend the COP32 climate summit. All types of activist, grassroots, and women-led organizations working on issues related to climate change from all over the world are encouraged to apply. The deadline for submission is 12 July 2026. Gender Just Climate Solutions Award
UN Food Systems Coordination Hub — Youth Leadership Program
The UN Food Systems Coordination Hub invites applications for the second cohort of its Youth Leadership Program to build a global network of emerging leaders driving food systems transformation. This two-year fellowship is open to individuals between 18 and 35 years old who are proficient in English and hold nationality in a low- or middle-income country, with particular emphasis on Africa, Asia and the Pacific, or Latin America and the Caribbean. Applicants must demonstrate experience leading or contributing to initiatives in food systems, sustainable development, or climate action. The program provides comprehensive leadership development, peer mentorship, and direct exposure to global United Nations partners and expert networks. The deadline for applications is 13 July 2026. Youth Leadership Program
Social Nest Foundation — Startup Challenge
The Social Nest Foundation invites applications for its 2026 Startup Challenge to support early- and growth-stage ventures driving social and environmental transformation. Legally incorporated startups from any country are eligible to apply, provided they have a validated minimum viable product or a product already on the market. The competition focuses on five innovation areas, including climate tech, smart cities, agritech, health, and inclusive economic systems. The single winning startup receives a €10 thousand cash prize, alongside international pitch opportunities and matchmaking sessions with investors in Valencia, Spain. The application deadline is 14 July 2026. Link