Do vegans have a right to be so smug? This week we find 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. Check out the transcript right here: http://bit.ly/2OeFye7 Selected references: Joseph’s study comparing 40,000 different farmsConnie’s paper comparing countries that consume more or less dairyA big review of calcium intake and fracture riskThis report on the influence of the dairy industryKatie’s paper on the evolution of meat-eatingRoman’s work rounding up studies on a vitamin deficiency Credits: This episode was produced by Rose Rimler with help from Wendy Zukerman, along with Meryl Horn and Odelia Rubin. Our senior producer is Kaitlyn Sawrey. We’re edited by Blythe Terrell and Caitlin Kenney. Fact checking by Michelle Harris. Mix and sound design by Emma Munger. Music by Emma Munger 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