In the first part of the show, Chris and Claire revisit a discussion with evolutionary biologist and author Noah Whiteman, as he talks about his book, "Most Delicious Poison, The Story of Nature’s Toxins from Spices to Vices" (01:11)
Then author and speaker on climate change politics, Michael Gunter joins the show to talk about his latest book, "Climate Travels" and how ecotourism can benefit our world. (20:21)