Do vegans have a right to be so smug? We’re finding out whether it really is better for the environment, and our bodies, to go vegan. We speak to environmental researcher Joseph Poore, historian Prof. Connie Hilliard, anthropologist Prof. Katharine Milton, and nutrition researcher Prof. Roman Pawlak. A version of this episode originally ran in 2018; today’s episode contains updated science. Check out the transcript here: https://bit.ly/vegansupdated  The episode was produced by Rose Rimler and Wendy Zukerman, along with Meryl Horn, Odelia Rubin and Kaitlyn Sawrey. Editing by Blythe Terrell and Caitlin Kenney. Fact checking by Michelle Harris and Erica Akiko Howard. Mix and sound design by Emma Munger and Bumi Hidaka. Music by Emma Munger, Bumi Hidaka and Bobby Lord. Recording assistance from Robbie MacInnes, Paul Reece, Spencer Silva, and Hady Mawajdeh. For this episode we also spoke to Connie Weaver, Nathan H. Lents, Mark Bolland, Ambrish Mithal, Marco Springmann, Mary Beth Hall, Tara Garnett, Tom Sanders, Frederick Leroy, and others. Thank you so much for your help. And a big thanks to the Zukerman family and Joseph Lavelle Wilson.  Learn more about your ad choices. Visit podcastchoices.com/adchoices