The Climate Intervention Environmental Impact Fund (CIEIF) supports innovative projects worldwide working to reverse climate change. The fund supports EIA, predictive impact modeling, and engagement efforts with potentially impacted stakeholders for innovative climate intervention technologies that are on the verge of field testing. Applicants should write a grant request that demonstrates how they would spend US$75 thousand. Applications are due by 15 March 2026. Details here
business/enterprise
Common Fund for Commodities — Support for Commodity Development
The Common Fund for Commodities (CFC) provides financial and technical instruments to support projects proposed by enterprises, cooperatives, and institutions. Funding is targeted mainly to for-profit organizations and social enterprises for production, value chains, and marketing across a wide group of commodities (agricultural crops, tree crops, timber, bamboo and rattan, minerals, and others). Projects need to focus on economic, social, and environmental sustainability. Innovative solutions for new agritech applications, access to renewable energy, or expanding environmental services are especially welcome. All interested SMEs, enterprises, cooperatives, and governments must submit proposals no later than 01 April 2026. Common Fund for Commodities
International Fund for Agricultural Development — Macadamia Nut Export Value Chain
IFAD launches an EOI to partner with food, agriculture, or trading companies interested in supporting Rwanda’s macadamia nut producers. The goal is to build sustainable export value chain linkages by combining private sector resources with smallholder production, improving livelihoods and adoption of sustainable practices. Eligible firms must be ready to co-invest and partner in the intervention. EOIs must be submitted by 13 October 2025. Details here
UNICEF — Climate Innovation Challenge
The UNICEF Climate Innovation Challenge invites early- and growth-stage frontier technology startups in emerging economies to propose scalable, child-centered solutions using AI, data science, blockchain, and related tools to tackle climate-related threats to children—such as health risks, disaster resilience, and systems adaptation. Selected ventures will receive technical mentorship, visibility and networking opportunities, and support to prepare for future investment. Eligible applicants must be private for-profit companies registered in UNICEF programme countries. The application deadline is 21 October 2025. Climate Innovation Challenge
Earth Journalism Network — Western Balkans Environmental Media Grant
The Earth Journalism Network (EJN) awards grants to support activities that improve media coverage of environmental challenges and solutions. ENJ provides €10 thousand to a single journalist network, media organization, civil society group, or academic institution in the Western Balkans (Albania, Bosnia & Herzegovina, Croatia, North Macedonia, Montenegro, Serbia, Kosovo) to support journalistic coverage of biodiversity, environmental threats, and nature-based solutions. Applications are due 30 October 2025. Western Balkans Environmental Media Grant
MassChallenge — Sustainable Food Solutions Challenge
MassChallenge seeks startups and corporations with proven solutions or technologies in the areas of Sustainable Food & Feed Solutions, AgTech, and others. The Challenge allows participants to work together, create a joint pitch, and scale up innovative solutions. Selected corporate partners will be invited to the MassChallenge Sustainable Food Solutions Challenge Day (June 2026). Selected startups will receive CHF1,000 to contribute towards travel to the event. Applicants can be from any geography. However, partners are headquartered in Europe, so physical collaboration would be mostly in Europe. The application deadline is 17 November 2025. Sustainable Food Solutions Challenge
Marine Stewardship Council — Ocean Stewardship Fund
The Marine Stewardship Council invites fisheries, scientists, NGOs and postgraduates to apply for grants from the Ocean Stewardship Fund. The fund supports best practices in sustainable fishing with the aim to increase the number of sustainable fisheries around the world. Grants are also available to support small-scale fisheries and fisheries in the developing world. Furthermore, the Student Research Grant awards funding to support postgraduate students who are carrying out research with fisheries engaged or working towards the MSC program. Awards of between £5 thousand to £50 thousand are available across five different strands. The application deadline is 01 December 2025. Ocean Stewardship Fund
Startupbootcamp — Energy & Climate
Startupbootcamp provides access to funding, supporting the development of innovative solutions in climate change, resource conservation, and renewable energy. The accelerator supports startups developing solutions with the potential to address some of the world’s most pressing challenges in energy and sustainability. Participants have access to a 3-month in-person accelerator designed to enable growth at speed, and €25 thousand cash investment per startup to cover expenses during the program, plus €100 thousand in-kind services. Applications close on 07 December 2025. Accelerator program
Startupbootcamp — Food & Agritech
Startupbootcamp provides access to funding, supporting the development of innovative solutions across sectors such as vertical farming, regenerative agriculture, food supply chain optimization, agritech hardware, sustainable packaging, alternative proteins, precision agriculture, food waste reduction, and agri-fintech. The accelerator supports startups developing solutions with the potential to address some of the world’s most pressing challenges. Participants have access to a 3-month in-person accelerator designed to enable growth at speed, and €25 thousand cash investment per startup to cover expenses during the program, plus €100 thousand in-kind services. Applications close on 07 December 2025. Accelerator Food & Agritech
United Nations — Tourism Innovation Challenge
The UN Tourism Social Innovation Challenge calls on startups, scaleups, and entrepreneurs globally to propose tech-driven solutions in three categories—Community-based Tourism, Inclusivity & Accessibility, and Green Projects. Selected finalists receive benefits including scholarships from Sommet Education Foundation (for hospitality programs at Les Roches), mentorship via the UN Tourism Innovation Network, opportunities to pitch at UN Tourism Demo Day, access to investors and corporate networks. Applications close 08 December 2025. Tourism Social Innovation Challenge