Iguanas didn’t always fall out of trees during cold snaps in the Sunshine State, but chances are, future generations will regard them as just a natural part of the landscape. With the world changing around us at a rapidly increasing rate, how do we set conservation goals when we can't keep track of what we’ve lost?

This episode was produced by Anisa Khalifa and mastered by Charlie Shelton-Ormond.

Our thanks to the North Carolina Museum of Natural Sciences in Raleigh.