Imagine H2O invites early-stage water startups from anywhere in the world to apply for its 2027 accelerator programs. It offers mentorship, training, introductions to a network of technology adopters and investors, and showcase opportunities at industry events. It takes no equity, and no cash award is stated. Startups must be under 10 years old, with revenue under US$5 million and equity investment under US$10 million. Meetings run on Pacific time mornings, which means evenings for African applicants. Applications close 20 November 2026. Water Startup Accelerator
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World Academy of Sciences — Research Professorships in Least-Developed Countries
TWAS funds selected TWAS members to assist with building research capacity in the least-developed countries (LDCs). During a period of five years, each funded professor will be expected to make three visits to a host institution in a partner LDC, for a minimum stay of one month each visit. TWAS will provide travel support while living expenses are covered by the host institution. Requests need to be submitted by research groups and scientific institutions in the LDCs. The application deadline is 23 November 2026. Read more
World Academy of Sciences — Visiting Expert Programme
The TWAS Visiting Expert Programme supports visits of internationally renowned scientists to research institutions located in developing countries, especially least-developed countries. Only persons who have attained international recognition in their fields of science will be considered for support. Nominations of women are particularly welcome. Applications are made jointly by the host institution in the developing country and the visiting expert. The deadline for applications is 23 November 2026. Link to TWAS
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. 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 25 November 2026. Sustainable Food Solutions Challenge
Yves Rocher Foundation — International Terre de Femmes Award
The Yves Rocher Foundation invites applications for the International Terre de Femmes Award to honor women for their achievements in environmental awareness, conservation, and solidarity. This year, the Foundation invites applications from women committed to concrete initiatives that put trees at the heart of cities. Examples include urban tree education projects, community orchards and forest gardens, protecting heritage trees, urban tree nurseries for native species, and re-greening dense or built-up areas. Two winners worldwide each receive a €10,000 grant for their project. The international award is open to women worldwide involved in a project that helps to protect the environment through a non-profit organization. The closing date for applications is 30 November 2026. Terre de Femmes
Aspire Institute — Leaders Program for First-generation University Students
The Aspire Leaders Program provides academic and professional development resources to students who are from backgrounds of social and financial adversity. All applicants must be between the ages of 18-26, come from a low-income background and be the first generation to attend university. Through the program, students will gain access to fully-funded HarvardX courses and participate in live seminars with Harvard University. Eligibility extends to students from all around the world as long as they are enrolled in an undergraduate program or have recently graduated (within three years). The application deadline is 30 November 2026. Aspire Leaders Program
Mangrove Breakthrough — Mangrove Conservation and Restoration
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 December 2026. Link to more details
Learning Planet Institute — Youth Design Challenge
The Learning Planet Youth Design Challenge is an annual global initiative encouraging young individuals aged 15-26 to pitch their ideas for innovative learning programs for their dream university. Participants can pitch programs on one of the following themes: peace and democracy, mental health and wellbeing, and environment and climate. The 12 finalists will receive regular mentorship from a global network of industries with the goal of implementing their programs. The winner receives US$1000. The deadline for submissions is 07 January 2027. Youth Design Challenge
Right Livelihood Award — Annual Nominations 2027
The Right Livelihood Awards are annually made to individuals and organizations offering practical and exemplary answers to the most urgent challenges facing us today. The Award is sometimes referred to as the “Alternative Nobel Prize.” Past laureates include several whose work in issues of environment and natural resources advances social justice and grassroots development in the developing world. Normally, the Foundation makes three cash awards and one honorary award each year. Nominations are invited from anyone worldwide (excluding self-nominations, close relatives, and Foundation staff and jury). The deadline for nominations is 24 January 2027. Nominate
Mercedes-Benz — beVisioneers Fellowship
Mercedes-Benz invites young environmental innovators to apply for beVisioneers, a two-year fellowship combining innovation training, venture coaching, mentorship, and project scholarships of up to €15,000, along with a needs-based cost-of-living stipend and financial support for participation costs like laptops or internet access. Applicants must be aged 18 to 28 on the application closing date, reside in an eligible country for at least 9 months of the fellowship year, and implement their project in that same country. The deadline is 31 January 2027. beVisioneers