Scientists pinpoint poaching hotspots, but authorities aren’t always eager to join the fight.
It might be the end of the line for the vaquita, the world’s rarest marine mammal. A dramatic last-ditch attempt to capture one has failed.
All over the world, researchers are trying to better understand a world in constant flux and to prevent species from extinction as they battle for survival.
The International Union for the Conservation of Nature (IUCN) Red List is a global list of species and their conservation status.