Extended Classic: Earth in Human Hands, with David Grinspoon

What’s happened to Earth in the Anthropocene age – and what does the future hold? Find out from astrobiologist David Grinspoon, journalist Andrew Revkin, and Chuck Nice. Now extended with Chuck and Bill Nye answering Cosmic Queries about climate change.Don’t miss an episode of StarTalk All-Stars. Subscribe on:Apple Podcasts: https://itun.es/us/P9kphb.cSoundCloud: https://soundcloud.com/startalk_all-starsStitcher: http://www.stitcher.com/podcast/startalk-allstarsTuneIn: http://tunein.com/radio/StarTalk-All-Stars-p949405/Google Play Music: https://play.google.com/music/listen#/ps/I2nz5bguurd5se7zu4fhnd25lk4NOTE: StarTalk All-Access subscribers can watch or listen to this entire episode commercial-free. Find out more at https://www.startalkradio.net/startalk-all-access/