Robert F. Kennedy Jr.

Robert F. Kennedy Jr. is a longtime environmental campaigner and author of "American Values: Lessons I Learned From My Family" (2015), "Crimes Against Nature: How George W. Bush and His Corporate Pals Are Plundering the Country and Hijacking Our Democracy" (2005) and "Climate in Crisis: Who's Causing It, Who's Fighting It, and How We Can Reverse It Before It's Too Late" (2020). Follow him on Twitter: @RobertKennedyJr