The Biggest Biological Tally Yet

Living on Earth
The World

“You don’t know what you’ve got ’til it’s gone,” is a scenario scientists are working hard to avoid in the Great Smoky Mountains. Only 10 percent of the life forms in the national park have been catalogued. Scientists, aided by amateur naturalists, have launched a massive, 15-year effort to inventory and understand every life form on the site. Diane Toomey reports.

Sign up for our daily newsletter

Sign up for The Top of the World, delivered to your inbox every weekday morning.