Kew contributed over 700 Red List assessments in the October 2025 update, made possible by partnerships, fieldwork, and taxonomic expertise.
To protect life on Earth, it is essential to identify species at risk of disappearing, as conservation without this knowledge would be largely guesswork.
Red Listing assesses a species' risk of extinction using scientific rules, considering factors such as:
The assessment determines a species' classification, including categories such as Least Concern, Endangered, Critically Endangered, or Extinct.
Without knowledge of which species are most at risk, conservation would mostly be guesswork.
Author's summary: Kew's contributions to the Red List protect threatened plant species.