The Oklahoma City Zoo & Botanical Garden offers competitive small grants up to $2,500 supporting research, education, or species preservation efforts. In 2026, funding is restricted to projects involving invertebrate conservation or research, and grants go exclusively to early-career professionals — those currently in a graduate program (MSc, PhD, DVM) or who received a graduate degree no earlier than 2021. No more than 20% of funds may go toward travel, and salaries aren’t covered except for locally hired support staff. The deadline is 13 November 2026. Conservation Grants
community projects
D-Prize — Funding Entrepreneurs to Alleviate Poverty
The D-Prize funds pilot projects that more widely distribute relatively low-cost products and services in the fight against poverty. The current challenges include social enterprises for innovations in specified themes of agriculture; energy; WASH; and several other categories. The D-Prize will award 30 teams with up to US$20 thousand each to launch nonprofits or social ventures that can distribute proven poverty interventions to people in need. Eligibility to compete extends to entrepreneurs anywhere in the world and of any age or background. The D-Prize invites concept notes before 25 October (early deadline); 15 November (regular deadline); or 06 December 2026 (limited extension). Link to D-Prize
The Earth Prize — Environmental Sustainability Competition for Teenagers
The Earth Prize invites students born between 2007 and 2014, worldwide, to submit solutions accelerating environmental sustainability, individually or in teams of up to five. Seven Regional Winners each receive US$10 thousand to implement their project, with a Global Winner selected by public vote from among them. Registration is open until 10 January 2027; the initial submission deadline is 31 January 2027. Environmental Sustainability Competition for Teenagers
Marine Stewardship Council — Student Research Grants
The MSC’s Student Research Grants support postgraduate students doing research with a fishery that’s already MSC-certified, or one that’s actively working toward certification. The fishery needs to already be at a fairly advanced stage in that process, so the student’s project should be tied to a real fishery partner, not just a research idea on its own. Grants reach up to £10,000 over up to 12 months. The deadline is 28 February 2027. Student Research Grants
Critical Ecosystem Partnership Fund — Small Grants Program, Sri Lanka
The Critical Ecosystem Partnership Fund (CEPF) and IUCN invite Letters of Inquiry from Sri Lankan NGOs, community-based organizations, Indigenous and women’s groups for projects supporting community engagement in managing threatened ecosystems and species, under the GEF Small Grants Program. Grants are up to US$60,000. Eligible only in five districts: Nuwara Eliya, Kegalle, Ratnapura, Galle, and Matara. The deadline is 09 October 2026. Small Grants Program
e-MOVE — Cashew Value Chain
e-MOVE invites young agripreneurs within the cashew sector to transform their ideas into investment-ready, climate-smart ventures. Selected participants receive €2,000 in direct funding, mentoring, tools, and incubation support. Agripreneurs in a member state of the Organisation of African, Caribbean, and Pacific States are eligible. The submission window is open until 30 October 2026. Link
Roger Williams Park Zoo — Danforth Conservation Grants
The Sophie Danforth Conservation Biology Fund makes grants of up to US$1 thousand to protect threatened wildlife and habitats worldwide. Priority is for projects that demonstrate a multi-disciplinary approach to ecosystem conservation, and that involve in-country collaborators. Projects must directly affect biological conservation. Applicants can be of any nationality but must be associated with an organization (non-profit, university, etc.) through which they can receive funding. The application deadline is 01 January 2027. About the conservation grants
Free Rivers Fund — Free-Flowing Rivers
The Free Rivers Fund announces grants to support initiatives and actions in defense of free-flowing rivers. The Fund provides grants for activist and conservation groups that commit to the fight to protect rivers from dams and development. The total amount of funding is not fixed but depends on the total incoming donations. Generally, supported grantees can expect between €1000 and €2000. The application deadline is 10 January 2027. Details here
Waterloo Foundation — Environment Fund: Marine Resources
The Waterloo Foundation manages an Environment Fund that supports projects to manage and conserve marine resources. Applications are invited from UK charities in partnership with local organizations in the developing world, and from non-UK organizations that can provide suitable references in the UK. The majority of grants range from £50 thousand to £100 thousand for projects of up to three years. Application deadlines are 01 March and 01 September each year. About the Marine Fund
Asia Community Foundation — Southeast Asia Ocean Fund
The 30×30 Southeast Asia Ocean Fund invites NGOs, research institutions, and civil society organizations to apply for grants supporting marine conservation, prioritizing projects led by or engaging coastal frontline communities. Grants of up to US$250,000 are awarded over multiple years, with no predetermined activity restrictions. Eligible applicants include local NGOs and research institutions in Southeast Asia; individuals, private enterprises, and government bodies are not eligible. Applications, in the form of an Expression of Interest, are accepted on a rolling basis. Link