To Conserve More Species, Act while Their Numbers Are High

November 30 is the Remembrance Day for Lost Species, an informal holiday established in 2011 by a U.K.-based coalition of artists, scientists and activists. The point of the day is political: to draw public attention to human-caused extinctions, in hopes of preventing more. But for many participants the day is also personal, an attempt to grasp the enormity of extinction.

scientificamerican.com