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"NSF Collaborations in Artificial Intelligence and Geosciences (CAIG) for AI Methods Applied to Earth, Atmospheric, Ocean and Polar Science" is currently closed and not accepting applications.
CAIG is NSF's dedicated vehicle for work at the interface of artificial intelligence and the geosciences, jointly run by the Directorate for Geosciences with the Directorate for Computer and Information Science and Engineering and the Directorate for Mathematical and Physical Sciences.
The program's premise is that AI methods have become essential tools for grand-challenge problems across atmospheric science, Earth science, ocean science and polar programs - climate modelling, weather and seasonal forecasting, ice sheet dynamics, ocean circulation, extreme event prediction - and that progress requires teams that genuinely span both sides rather than geoscientists applying off-the-shelf models or AI researchers treating Earth data as another benchmark.
The solicitation is explicit that funded projects should advance the AI methods themselves as well as the geoscience question, which is the criterion that separates CAIG from ordinary GEO core program funding: a proposal that applies an existing architecture competently to a new dataset is a weak CAIG proposal even if the science is sound.
Awards are interdisciplinary by construction, typically involving two to three senior researchers drawn from the relevant divisions (RISE, OCE, AGS, EAR on the geoscience side; OAC, IIS, DMS on the computing and mathematics side). NSF anticipates 5 to 9 awards per competition totalling $6,000,000 to $10,000,000, with projects running up to three years.
The solicitation is NSF 25-530; published full proposal deadlines were 2 April 2025 and 4 February 2026. The February 2026 competition has closed and the program runs on a recurring annual cycle, so the next deadline is expected in early 2027.
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Or search similar grants →According to the current listing, eligibility includes: Proposals may be submitted by U.S. institutions of higher education including two- and four-year accredited colleges, non-profit non-academic research organizations, federally recognized Tribal Nations, and federal agencies and Federally Funded Research and Development Centers. Awards are anticipated at 5 to 9 per competition with $6,000,000 to $10,000,000 total per cycle, implying roughly $667,000 to $2,000,000 per award, for projects of up to three years. There is a strictly enforced proposal limit: an individual may be designated as Senior/Key Personnel on at most two proposals per competition, and proposals exceeding this limit are returned without review based on submission timestamp - meaning the later-submitted proposal is the one rejected. Projects must combine genuine expertise in artificial intelligence with geoscience disciplines spanning atmospheric, Earth, ocean and polar sciences, and must advance both the geoscience question and the AI methodology; single-sided proposals are not competitive. All proposals must comply with the current NSF Proposal and Award Policies and Procedures Guide and NSF research security policies. The solicitation is NSF 25-530, with published deadlines of 2 April 2025 and 4 February 2026; the 2026 competition has closed and the program is expected to recur annually. Program contacts across GEO, CISE and MPS are reachable at caig@nsf.gov. Confirm the full requirements in the official notice before applying.
The current listing shows NSF anticipates 5 to 9 awards per competition against a total of $6,000,000 to $10,000,000 per cycle, which works out to roughly $667,000 to $2,000,000 per award over a project duration of up to three years - the basis for amount_min and amount_max here. NSF does not publish a hard per-award cap in the solicitation, so these figures are derived from the anticipated award count and total funding rather than quoted as limits, and an unusually strong proposal at the top of the range is not automatically out of bounds. Two practical points follow from the small award count. First, with as few as five awards per competition this is a genuinely low-acceptance program and the proposal limit is enforced strictly: an individual may be designated as Senior/Key Personnel on at most two proposals per competition, and excess proposals are returned without review based on submission timestamp - the later submission is the one that dies, which matters when a PI is being recruited onto collaborations they are not tracking. Second, the three-year duration means the budget has to cover sustained interdisciplinary collaboration rather than a single modelling push. Verify award ceilings, matching requirements, and allowable costs in the official notice.
The published deadline was February 4, 2026, which has passed. Check the official notice for any future application windows before investing time in a proposal.
NSF Collaborations in Artificial Intelligence and Geosciences (CAIG) for AI Methods Applied to Earth, Atmospheric, Ocean and Polar Science is funded by U.S. National Science Foundation, Directorate for Geosciences (GEO) with CISE and MPS. 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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