How many species haven't we found yet?
We should also acknowledge species lost over the past decade. The current biodiversity crisis threatens up to a million plant and animal species—some we know, and some we’ve yet to discover. More than 450 species were declared extinct in the past 10 years, Vox reported. They include the first mammal to fall victim to climate change—a humble rodent called the Bramble Cay melomys. There was also George, the loneliest tree snail, whose demise meant the end of his entire species, and a little bat called the Christmas Island pipistrelle.
In October, Elizabeth Kolbert wrote about what we lose when a species goes extinct. “We live in an extraordinary time,” she says. “Perhaps