Episode 19-21 Why Is There a Climate Debate? (Its Not Science)
On this week\u2019s Tech Nation, how we came to question climate change. To even question the science. What\u2019s it all about? Nathaniel Rich, journalist and author of \u201cLosing Earth: A Recent History\u201d, explains. Then Tech Nation Chief Correspondent Daniel Kraft talks about the age of the medical selfie.