Mangrove Breakthrough seeks projects worldwide that protect, restore or support mangrove ecosystems. Eligible proposals include mangrove restoration or conservation; blue-carbon finance; biodiversity or climate-linked crediting mechanisms; community-based livelihood or stewardship initiatives; nature-tech or monitoring tools for mangrove health; and sustainable businesses tied to mangrove landscapes (e.g. fisheries, coastal agriculture, eco-tourism). Successful submissions gain visibility, exposure at global climate events, and access to investors or funders. The deadline to submit the Expression of Interest is 30 January 2026. Link to more details
partnerships/collaboration
Free Electrons — Clean Energy Transition
The Free Electrons Program is a global open-innovation accelerator that connects energy startups with leading utilities and energy system operators to pilot and scale breakthrough solutions for the energy transition. The program is open to startups worldwide with mature, market-ready technologies addressing areas such as grid digitalization, renewables integration, energy storage, flexibility, electrification, and climate resilience. Selected startups receive non-dilutive support, including paid pilot opportunities, access to utility partners, technical validation, mentoring, and global exposure (rather than a fixed cash grant). The application deadline is 31 January 2026. Free Electrons Program
LEAP-SE — Research and Innovation Partnership on Sustainable Energy
LEAP-SE funds collaborative research and innovation projects that advance clean energy technologies, systems, and policies aligned with the Africa–Europe energy transition agenda. The call is open to consortia of organizations, including universities, research institutes, companies, NGOs, and public bodies, from African Union Member States and European countries. Funding amounts vary by country and partner, with a maximum funding of €500 thousand per partner. Proposals must be submitted in two stages, with pre-proposals due by 05 February 2026. Details
UNCDF — Financing for Nature-Positive Private Sector Enterprises
The UNCDF seeks expressions of interest from private micro, small, and medium-sized enterprises operating in the Congo Basin region that are implementing or scaling nature-positive, deforestation-free, and climate-resilient business models. The call targets enterprises working in sustainable agriculture, renewable energy, forest-industry transformation, landscape restoration, and ecotourism. The call is open to nonprofits, NGOs, social enterprises, private sector entities, and consortia. Applicants may request support ranging from US$250 thousand to US$1.5 million. The application deadline is 28 February 2026. Link to more information
ETH Zurich — Faculty Exchange Grants
ETH for Development (ETH4D) provides grants for visiting scientists who belong to academic institutions in low and lower-middle-income countries. The visiting scientist may visit ETH Zurich to conduct a short research stay or to attend a conference or workshop organized by ETH Zurich scientists. The grant covers expenses up to a maximum of CHF 10 thousand. The main applicant has to be a senior scientist or professor of ETH Zurich and invite colleagues from lower-income countries. The application deadline is 30 March 2026. ETH Faculty Exchange Grants
ETH Zurich — Research to Action Grants
ETH for Development (ETH4D) supports ETH bachelor students, master students, doctoral candidates, post-docs, and senior scientists to develop prototypes. The grant sum is up to CHF 5 thousand. Preference is given to activities in lower-middle-income countries with direct involvement of collaborating institutions or agencies from said countries. The application deadline is 30 March 2026. ETH Research to Action Grants
European Commission — Improving Climate and Weather Models
The European Commission supports projects that enhance climate and weather data, modeling, and forecasting systems to improve resilience and decision-making across the African continent. The call is open to for-profit companies, startups, research institutions, NGOs, and consortia with strong technical capacity in climate science, data analytics, AI, or weather modeling. Selected projects may receive grant funding ranging from approximately US$250 thousand to US$1 million, depending on project scope and impact. The application deadline is 15 April 2026. Know more
HCLTech — Climate Action Grant
HCLTech accepts applications for the Climate Action Grant which provides grants to non-governmental organizations combating climate change and restoring ecosystems and biodiversity across the Americas. HCLTech accepts proposals for climate action in focus areas such as wildlife and biodiversity conservation; land and ocean action; clean energy; climate advocacy; campaigns; and climate risk reduction. One NGO will receive US$500 thousand, while two others will receive US$250 thousand each. The application deadline is 18 January 2026. Climate Action Grant
Enterprise Singapore — Sustainability Open Innovation Challenge
The Sustainability Open Innovation Challenge invites industry partners and creative innovators to co-develop sustainable solutions in key areas such as renewable energy, offshore wind, greener industries, sustainable agrifood and sustainable materials. Participants have the chance to collaborate with major partners and access funding to develop their solutions. Prizes include potential grant support (US$100 thousand from Hexagon Group), as well as funding and real-world testing facilitated by industry pioneers. The challenge is open to startups, small to medium enterprises, institutes of higher learning, and research institutes across the world. The application deadline is 30 January 2026. Details here
AGRO-WELL — Smart Farming Solutions
The AGRO-WELL invites startups, SMEs, research institutes, NGOs, and commercial farms developing smart farming technologies using AI, robotics, augmented reality (AR), data tools or automation to submit proposals to demonstrate and validate their solutions on commercial farms. Selected projects receive up to €37,500 per project to carry out 12–18-month demonstrations starting in October 2026 across greenhouse, open-field or pig farming systems. The call is open to applicants and small consortia (up to 3 partners) based in EU Member States or Horizon Europe-associated countries. The deadline to apply is 04 February 2026. Link