In 2015, Stanford biologist Paul Ehrlich coauthored a study declaring the world’s sixth mass extinction was underway. Five years later, Ehrlich and colleagues at other institutions have a grim update: the extinction rate is likely much higher than previously thought and is eroding nature’s ability to provide vital services to people.
The Española Giant Tortoise (Chelonoidis hoodensis), a species endemic to the Galapagos island, is…
[[ This is a content summary only. Visit my website for full links, other content, and more! ]]