Google.org invites applications for its AI for Science Impact Challenge, a US$30 million global initiative to accelerate scientific breakthroughs using artificial intelligence. The program focuses on two primary domains: health and life sciences, and climate resilience and environmental science. Eligible applicants include nonprofit organizations, academic and research institutions, and for-profit social enterprises with a clear social impact purpose. Selected organizations will receive grants ranging from US$500 thousand to over US$3 million, alongside participation in a six-month Google.org Accelerator providing pro bono technical expertise and Google Cloud credits. The deadline for applications is 17 April 2026. Link to the Impact Challenge
marine/coastal
Pulitzer Center — Africa Climate and Environment Micro Grants
The Pulitzer Center seeks local movements across Africa to promote climate and environmental action by supporting outreach initiatives that creatively integrate Pulitzer Center-supported journalism. Participants will receive micro grants to develop community engagement, dialogue forums, and awareness campaigns focused on climate and labor, rainforest protection, and ocean conservation. Grants range from US$2,500 to US$3,000. Eligibility extends to local organizations and movements targeting young professionals or communities across Africa. Applications close on 30 April 2026. ACE Micro Grants
Western Indian Ocean Marine Science Association — PhD Fellowship in Marine Science
The Western Indian Ocean Marine Science Association (WIOMSA) and the University of Dar es Salaam invite applications for a PhD fellowship focused on marine science. This opportunity is open to individual researchers from the Western Indian Ocean region who hold a Master of Science degree in marine science, biology, chemistry, or a related field. The selected candidate will conduct research on “The Role of Mangroves and Seagrasses in Coastal Carbon Cycling” at the Institute of Marine Sciences in Zanzibar, Tanzania. The fellowship provides full funding for three years, covering tuition fees, research costs, and a monthly stipend for living expenses. The deadline for applications is 20 March 2026. PhD Fellowship in Marine Science
Pulitzer Center — Africa Impact Seed Funding
The Pulitzer Center invites applications for the Africa Impact Seed Funding to support micro-scale education projects that address socio-ecological challenges. Open to K-12 teachers, lecturers, researchers, and student groups based in Africa, the program funds activities that utilize Pulitzer Center reporting on rainforests, oceans, and climate change. Projects must be implemented within a four-month period and demonstrate a strong commitment to diversity, equity, and inclusion. Grants range from US$2,000 to US$3,500 to cover project-related costs and engagement activities. The deadline for applications is 16 April 2026. Africa Impact Seed Funding
Alexander von Humboldt Foundation — Research Fellowship for Brazilian Postdoctoral Researchers
The Capes-Humboldt Research Fellowship supports postdoctoral researchers and experienced researchers from Brazil with their research in collaboration with a host at a German research institution. Fellowships may last from 6 to 18 months and can be divided into up to three stays within three years. The monthly fellowship amount is €2,600. The next application deadline is 25 May 2026. More here
Bow Seat — Ocean Awareness Contest
Bow Seat invites applications for the Ocean Awareness Contest to engage students in environmental conservation through creative expression. The program encourages participants to explore the connection between human activities and the health of the ocean through categories such as visual art, creative writing, film, interactive and multimedia, and performing arts. Eligible applicants include students worldwide between the ages of 11 and 18. The contest offers various cash awards, with gold prize winners receiving US$1,000, silver winners receiving US$750, and bronze winners receiving US$500. The contest deadline is 08 June 2026. Ocean Awareness Contest
Global Landscapes Forum — Photography Awards
The Global Landscapes Forum (GLF) invites entries for the GLF Photography Awards 2026 to highlight visual stories of rangelands and the pastoralist communities that steward them. The competition is open to professional and amateur photographers worldwide who are at least 18 years old. Participants may submit up to three photos that capture the landscapes and livelihoods of ecosystems such as savannas, shrublands, or deserts. The first-place winner receives US$500, the second-place winner receives US$400, and a popular vote winner receives US$300. The deadline for applications is 01 March 2026. GLF Photography Awards
Pacific Development and Conservation Trust — Community Projects in the Pacific Islands
New Zealand’s Pacific Development and Conservation Trust makes grants for conservation, cultural heritage, development, and goodwill in the Pacific Islands. The priority is community projects, including conservation projects that involve representative, endangered, threatened, or unique habitats and species. Eligibility for grants extends to citizens of New Zealand and eligible Pacific countries and territories. Most past grants range from NZ$2 thousand to NZ$50 thousand. The deadline for expressions of interest is 18 March 2026. More about the application process
United Nations — Strategic Needs Fellowship
The Strategic Needs Fellowship aims to enable the most vulnerable States, particularly least developed countries, small island developing States and landlocked developing countries, to better address strategically important and time-sensitive issues facing them in ocean affairs and the law of the sea. The Fellowship consists of a four-month training program at the Division for Ocean Affairs and the Law of the Sea at the United Nations Headquarters in New York (USA). States are invited to nominate Government officials with limited background in ocean affairs and the law of the sea, who are filling key positions in their Administration for the position. The deadline for applications is 22 March 2026. Nippon Foundation Strategic Needs Fellowship
Tyler Prize for Environmental Achievement — Nominations for Prize in 2027
The Tyler Prize for Environmental Achievement grants US$250 thousand to recognize exceptional accomplishments in environmental science, energy, or medicine. The Tyler Prize can be awarded to living individuals or public or private institutions anywhere in the world. Several past prize winners have been distinguished in scientific and technical areas such as the global nitrogen cycle, global biodiversity assessments, wastewater treatment in developing countries, and others relevant to the link between environment and development. The closing date for nominations is 15 May 2026. Nominations here