Funder: U.S. National Science Foundation

Due Dates: Proposals accepted anytime

Funding Amounts: Award size and duration vary by program; no specified ceiling or floor; cost sharing not required.

Summary: Supports research, education, and professional development initiatives to broaden participation in Earth sciences at undergraduate, postdoctoral, and early-career faculty levels.

Key Information: A concept outline is required before submitting unsolicited ("ad hoc") proposals.