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Program

Life and Environments Through Time

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

National Science FoundationUnited StatesGrant

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 — most of the planet's history.

NSF names the practical

Climate Tech

Each grant below is a distinct funding opportunity with its own eligibility, scope, and deliverables.

Last verified: 27 Aug 2026Source: www.nsf.gov