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National Science Foundation

Life and Environments Through Time

Funds research on how Earth's climate, environments and life evolved together β€” from the Archean to the Holocene.

OpenNational Science FoundationUnited States

LET funds research into the patterns and processes behind the origin and evolution of Earth's climate, its environments, its life, and the sedimentary record that preserves all three.

The span is the striking part. Work can sit at molecular, local, regional or global scale, and covers time from the Archean Eon through to the Holocene epoch β€” most of the planet's history.

NSF names the practical …

Patterns and processes behind the origin and evolution of Earth's climate, environments, life and sedimentary record, at molecular, local, regional and global scales, from the Archean Eon through the Holocene epoch.

CycleiHow often this grant runs β€” e.g. annually, on a rolling basis, or a one-off call.Rolling
Next deadlineiThe next date applications are due. Rolling means you can apply any time.Rolling
Decision timeiTypical time from the deadline to the funder's decision.26 weeks
Project durationiHow long the funded work is expected to run.β€”
Award typeiThe form of funding β€” grant, equity, loan, tax credit, etc.Grant
Match fundingiThe share of project costs you must cover yourself. 0% = fully funded.β€”
Funding pooliThe total budget available across all awards in this round.$14M

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Last verified: 25 Aug 2026Funder reference: 25-517Source: www.grants.gov