In Downstream’s second episode, Robert Downey Jr. and Rachel Kropa tackle humans’ relationship with meat, and the impact that has on our planet. Downey and Kropa contemplate a future of meat that doesn’t rely on livestock farming with Isha Datar, a leading voice in cellular agriculture; break down the environmental, ethical, and dietary impact of modern-day meat consumption with public health nutritionist and vegan trailblazer Tracye McQuirter; and learn how current meat alternatives are evolving from Eben Bayer, the founder and CEO of the mushroom-based meat startup, Atlast.