Climate Has Changed Many Times Before. Here's How Humans Handled It

The World Bank estimates there could be more than 140 million "climate migrants" by 2050. While that migration would be unprecedented in scale, it would not mark the first time people have been uprooted by climate change.

Here & Now's Peter O'Dowd checks in with historians Nathan Connolly (@ndbconnolly) and Ed Ayers (@edward_l_ayers), co-hosts of the podcast "BackStory," which is produced at Virginia Humanities, for more on how humans have handled past climate change.