The European Space Agency (ESA) invites proposals from organizations in ESA Member States to exploit the unique capabilities of the BIOMASS mission for novel Earth-system, forest, and land-surface science applications. The exact funding ceiling per project is not publicly detailed in the summary announcement. The application deadline is 15 December 2025. Find the call here
december2025
Cisco and Global Citizen — Global Citizen Prize: Cisco Youth Leadership Award
Cisco and Global Citizen invites applications for the Global Citizen Prize: Cisco Youth Leadership Award. The Award is made to a young individual (18-30 years) who has contributed meaningfully towards the goal of ending global poverty. Global Citizen accepts applications from individuals who have, or contribute to, a registered legal entity such as a non-profit, for-profit, or social enterprise. The award includes a US$250 thousand prize paid to the organization to which the individual contributes. Submissions will close on 17 December 2025. Youth Leadership Award
WAAW Foundation — STEM Scholarships for African Women
The WAAW Foundation supports African women who seek a STEM-focused college education. The Foundation offers a need-based scholarship of US$500 to undergraduate female African students. Applicants have to be under 32 years old and be enrolled in an undergraduate B.S. degree program at a University or college in Africa. Eligible courses include Agriculture, Biology, Botany, Environmental Science, Natural Science, Zoology and many other fields. Application closes on 19 December 2025. Link to the WAAW Foundation
Association of Avian Veterinarians — Wild Bird Health Fund 2026
The Association of Avian Veterinarians seeks research projects addressing wild bird health. Projects of interest include epidemiology of disease in wild populations, ecotoxicology, diagnostic testing and treatment of wild birds, and conservation medicine. Grants are limited to US$5 thousand per project. Pre-proposals must be submitted by 01 December 2025. Find the call
Smithsonian.com — Annual Photo Contest 2025
Smithsonian.com accepts submissions from photographers worldwide in the theme of “Natural World,” among other categories. The Grand Prize is US$2,500 and the winners in each category will receive US$500 each. The deadline for submissions is 01 December 2025. Submit your photos
Commission for Environmental Cooperation — Community-based Circular Economy Strategies
The Commission for Environmental Cooperation (CEC) accepts applications for projects that advance community-led environmental solutions grounded in circular economy strategies. Projects should improve local well-being and environmental outcomes in North America by shifting resource use toward reuse, repair, remanufacture, or recycling, and by keeping materials in circulation for as long as possible. The CEC will accept proposals for up to C$150 thousand. Eligibility extends to non-profit, community-based, Indigenous, academic, and other registered organizations operating in Canada, Mexico, or the United States. The deadline for submitting proposals is 01 December 2025. Details here
World Academy of Sciences — Associateship Scheme for Research Collaboration
In collaboration with UNESCO, TWAS enables researchers from developing countries to visit research centers. Selected associates are appointed for three years during which they can visit one of 300 participating centers twice for research collaboration. TWAS provides travel support and a contribution towards subsistence costs up to US$300. Living expenses are covered by the host centers. The deadline for submission is 09 December 2025. TWAS-UNESCO Associateship Scheme
U.S. Department of State — TechGirls 2026
TechGirls is an international summer exchange program designed to empower and inspire young women from around the world to pursue careers in science and technology. The program is open to teenage girls (ages 15-17) from eligible countries in Sub-Saharan Africa, East Asia and Pacific, Europe and Eurasia, the Middle East and North Africa, South and Central Asia, and Latin America. TechGirls covers the costs of travel, accommodation, and meals for participation in the technology camp hosted by Virginia Tech University. The application will close on 04 December 2025. Link to TechGirls
Institut für Auslandsbeziehungen — CrossCulture Program 2026
The Institut für Auslandsbeziehungen (ifa) seeks professionals and volunteers from South and Southeast Asia, Eurasia and Central Asia, Eastern Europe and Russia, and MENA countries to participate in a 2-3 months training program at host organizations in Germany or in CCP partner countries. Professional fellowships are being offered in Sustainable Development and five other fields. The Fellowship covers travel expenses, accommodation, insurance, and a monthly allowance of €650. The applicant must be between the ages of 23 and 45 and have at least two years of proven professional experience or volunteer work in a civil society organization in the country of origin. The deadline for application is 10 December 2025. About the program
Research Institute for Humanity and Nature — Visiting Research Fellow Program
The Research Institute for Humanity and Nature (RIHN) Visiting Research Fellow Program brings overseas researchers to the Institute for periods of two to six months to engage in research collaboration. Each visiting fellow must work with a RIHN host researcher who acts as the main point of contact with the Institute. Applicants must have a PhD and be employed in an overseas research institute. Travel, accommodation, and daily expenses are covered by RIHN. The application deadline is 12 December 2025. RIHN Visiting Research Fellow Program