The world’s wildlife are facing a barrage of threats caused by climate change, from the loss of suitable habitat to dwindling food supplies. As a result, endangered species across the US are edging closer to extinction at alarming rates—and if they disappear, critical genetic information could vanish with them. In a new initiative announced on October 3, the US Fish & Wildlife Service is working with the nonprofit Revive & Restore and other partners to create a “genetic library” of the country’s endangered species—before it’s too late.