Climate & Environment · Projected milestone
Living ark of every species
20% by 2093 · including earlier years
The year is an editorial timing estimate. The percentage applies to occurrence by the stated deadline. These estimates are not calibrated odds.
Every known species is banked as genomes and living cells so that any lost one can be revived.
Explore this milestone on the interactive mapWhat the forecast means
Milestone stage: milestone (legacy definition)
Completion criteria: Legacy milestone: refine the observable threshold before resolving.
This page describes a forecast, rather than an achieved result. Read the methodology and assumptions.
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No connections of this kind are recorded.
Sources & evidence
No individual source links are recorded for this milestone. Source coverage and review status vary across the atlas.
Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.