Tamara Pico, a postdoctoral fellow, is using records of flooding in the Bering Strait to make inferences about how the ice sheets that covered North America responded to the warming climate, and how their melting might have contributed to climate changes.

For decades, the response to flooding and hurricanes was a vow to rebuild. A.R. Siders believes the time has come to consider managed retreat, or the practice of moving communities away from disaster-prone areas to safer lands.