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The Bezos Earth Fund's AI for Climate and Nature Grand Challenge is the single largest philanthropic commitment aimed specifically at applying AI to climate and biodiversity, at up to USD 100,000,000.
Launched in April 2024, it uses a two-phase structure: Phase I awards USD 50,000 to a shortlist, who then go through an Innovation Sprint with mentorship and planning support, and Phase II awards up to USD 2,000,000 each to the teams that emerge, for roughly two years of implementation.
Phase I drew more than 1,000 applications from 94 countries against an August 2024 deadline, was assessed by 175 expert reviewers from institutions including Columbia, MIT and Greenpeace, and produced 24 Phase I grantees; a 13-member judging panel then selected 15 Phase II awardees, announced in October 2025, with implementation running through 2027.
Judging criteria were transformative outcomes for climate or nature, technical soundness, genuine suitability of AI to the problem, potential to scale globally, and equitable societal benefit - the third of those does real work in the selection, since a large share of applications propose AI where a simpler method would serve.
Initial focus areas are sustainable proteins, power grid optimisation and biodiversity conservation, plus a deliberate wildcard category for visionary solutions outside those themes. The first cycle is closed; the Fund has signalled the Grand Challenge unfolds across several years, so future rounds are expected.
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Or search similar grants →According to the current listing, eligibility includes: Phase I invited proposals from United States-based 501(c)(3) entities and from academic institutions globally, with nonprofits and academic institutions as the core eligible categories; more than 1,000 organizations from 94 countries applied, confirming the international scope. Phase I awards were USD 50,000 each to 24 grantees, who participated in an Innovation Sprint providing mentorship and planning support before competing for Phase II. Phase II awards of up to USD 2,000,000 each went to 15 teams for implementation over approximately two years, announced October 2025, with the implementation period running through 2027. Total committed funding is up to USD 100,000,000. Selection criteria were transformative outcomes for climate or nature, technical soundness, suitability of AI to the specific problem, potential for global scalability, and equitable societal benefit. Focus areas were sustainable proteins, power grid optimisation, biodiversity conservation, and a wildcard category for visionary climate and nature solutions. The Phase I deadline of August 2024 has passed and the current cycle is closed. Organizations interested in future rounds should monitor the Bezos Earth Fund AI for Climate and Nature pages and confirm eligibility, entity requirements, phase structure and deadlines before preparing anything, since these have varied between announcements. Confirm the full requirements in the official notice before applying.
The current listing shows the Grand Challenge carries up to USD 100,000,000 in total committed funding and runs a two-phase award structure. Phase I grants are USD 50,000 each, awarded to 24 grantees for a total of USD 1,200,000. Phase II grants are up to USD 2,000,000 each, awarded to 15 teams to scale real-world solutions over roughly two years. amount_min of 50,000 and amount_max of 2,000,000 are the published Phase I and Phase II figures. The two-phase structure is the point: a small Phase I grant plus an innovation sprint de-risks the idea before large money is committed, so applicants should pitch Phase I as a plan to earn Phase II rather than as a standalone project. Verify award ceilings, matching requirements, and allowable costs in the official notice.
Bezos Earth Fund AI for Climate and Nature Grand Challenge is funded by Bezos Earth Fund. Verify program details on the funder's official page before applying.
Start from the official opportunity page linked in this listing — it carries the sponsor's submission instructions.
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