Margaret Renkl, New York Times contributor and best-selling author, and Ken Burns think back on the remarkable individuals who galvanized America to protect nature, and what qualities led them to dedicate their lives to fighting for what they loved. To learn more about Margaret’s renewed appreciation of the natural world, read her book, THE COMFORT OF CROWS: A BACKYARD YEAR.

Catch up on more interviews with Ken Burns as part of the UNUM Chats series here: https://www.pbs.org/kenburns/unum

UNUM: One nation, many stories.
UNUM is a new way to explore American history through scenes selected from over 40 films by Ken Burns. We're constantly curating new topics, providing historical context for the conversations we are having today.