Envision a world in which sea level has risen twelve feet. Do we start building super seawalls? Or something else. Deke Weaver exhorts us to "bring back the bears."

To keep a prairie healthy you've got to burn it now and then, and this week's segment explains why.

Why would a blackbird attack a deer? Why would a green heron drop a crabapple into a pond and fish it out again? Find out in this week's episode, as the author looks back at some puzzling observations from 2015.