How Do Urban Areas Affect Animals?

What do ants, beavers and humans have in common? They’ve all built structures so huge and complex that other organisms have changed their behavior — and in some cases even evolved — to live in them. Ants build nests; beavers build dams; humans build cities… And our guest says humans are the single most important environmental force on earth, even though that hasn’t always been the case. Join us for a conversation with our guest author about a theory that explores the role of humans in animal evolution.