Germany’s International Climate Initiative (IKI) supports projects on climate change mitigation and adaptation, and biodiversity projects that have climate relevance. The focus of the IKI Small Grants scheme is to provide support to the implementation of projects addressing the global loss of biodiversity in connection with climate change. IKI Small Grants selects project proposals and provides funding between €60 thousand and €200 thousand. Not-for-profit organizations and for-profit non-government organizations, if they pursue strictly non-profit objectives, are eligible to apply. The deadline for applications is 15 January 2026. IKI Small Grants
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ChallengeUS — Future Leaders Competition
The Future Leaders Competition invites high-school and undergraduate students worldwide to submit original work (creative writing, analytical writing, speech, or art) reflecting on a key moment or insight that shapes how they approach climate action. The competition awards a top prize of US$500, along with recognition, publication, and inclusion in the Future Leaders Network. The call closes on 16 January. Details
German Government — International Climate Initiative Medium Grants
Germany’s International Climate Initiative (IKI) supports projects on climate change mitigation and adaptation, and biodiversity projects that have climate relevance. The focus of the IKI Medium Grants scheme is to provide support to the implementation of projects addressing the global loss of biodiversity in connection with climate change. Each project can receive a grant of between €300 thousand to a maximum of €800 thousand over a period of two to three years. Funding is available for non-profit organizations (associations, foundations, think tanks) and academic institutions (universities and research institutions), as well as non-profit companies in Germany. Projects have to be implemented in collaboration with local implementing organizations in ODA countries. Project outlines can be submitted by 20 January 2026. Climate Initiative Medium Grants
Calouste Gulbenkian Foundation — Prize for Climate Action
The Calouste Gulbenkian Foundation seeks nominations for the 2025 Gulbenkian Prize for Humanity. The 6th edition of the Prize recognizes outstanding contributions to climate action and climate solutions that inspire hope and possibility. The Gulbenkian Prize for Humanity in the amount of €1 million, aims to strengthen communities facing the effects of climate change, helping them to adapt and build resilience at a local level. Individuals, groups or organizations from all over the world can be nominated. The nomination deadline is 30 January 2026. Details here
Mitigation Action Facility — Climate Change Mitigation Projects
The Mitigation Action Facility provides funding for ambitious and feasible climate change mitigation projects in three priority sectors: energy, industry, and transport. Projects shall have a duration between 36 and 66 months. The upper funding volume per project is €25 million. Projects must be implemented in Official Development Assistance (ODA)-eligible countries. The call for projects is open for submission until 25 February 2026. Mitigation Action Facility
Climate Technology Initiative — Funding for Climate or Clean Energy Projects
The Climate Technology Initiative (CTI PFAN) provides funding to climate or clean energy projects. PFAN accepts applications for projects in low- and middle-income countries in Sub-Saharan Africa, South Asia, Southeast Asia, the Pacific Islands, Eastern Europe, Central Asia, Central America, and the Caribbean Islands. Projects may request between US$1 million and US$50 million. Projects providing energy access or rural electrification (clean cookstoves, solar home systems, mini-grids) may request smaller sums between US$500 thousand and US$50 million. Proposals are invited from companies, individuals, or legal persons; public-private partnerships; and entities that are legally structured to redistribute profits. Applications are accepted on a rolling basis. Climate Technology Initiative
Draper Richards Kaplan Foundation — Start-up Support for Social Enterprises
The Draper Richards Kaplan Foundation supports early-stage, high-impact social enterprises and seeks projects and innovations that dramatically improve the lives of people and the world. Eligibility extends to non-profit, for-profit, and hybrid organizations in the early stages of their development that have scaling potential. The DRK investments are distributed twice a year over a three-year term, totaling $300 thousand. The Foundation has a rolling online application process throughout the year; there is no deadline. Click here
Halcyon — Climate Fellowship LAC
The Halcyon Climate Fellowship helps entrepreneurs across Latin America and the Caribbean (LAC) addressing climate mitigation, adaptation, and resilience. Fellows receive expert training, and critical resources to accelerate their venture. Fellows accepted into this program will receive US$6 thousand equity-free living stipend per venture. Eligibility extends to for-profit startups with scalable climate solutions from across Latin America and the Caribbean. The application deadline is 20 November 2025. Halcyon Climate Fellowship
Halcyon — Climate Resilience & Food Security in Africa
The Climate Resilience & Food Security Fellowship brings together entrepreneurs from across Africa, empowering them to address climate resilience and food security. Participants will receive expert training, critical resources to accelerate their ventures, a one-week in-person residency in Washington, DC, and a one-week in-person residency in Nairobi, Kenya. Selected fellows will receive a $6 thousand stipend for their venture. Eligibility extends to for-profit ventures based in Africa. The deadline for the submission of applications is 20 November 2025. Know more
Asia-Pacific Network for Global Change Research — Call for Proposals 2025
The Asia-Pacific Network for Global Change Research (APN) launches its 2025 call for proposals. The Collaborative Regional Research Programme (CRRP) supports research on physical, biological, and human dimensions of change in the Earth’s systems. The Capacity Development Programme (CAPaBLE) focuses on training, awareness raising, and partnerships. APN lists priority research topics (climate change, disaster risk reduction, smart agriculture, water quality, and invasive species, among others) for each of South Asia, Southeast Asia, East Asia, and Oceania. Applications can be submitted by researchers, academics, and practitioners working at institutions based in APN member countries and approved countries. APN encourages applications from early-career scientists. For both programs, the deadline to submit summary proposals is 30 November 2025. Link