How much of our solar system should be protected wilderness?

Our unsustainable way of life has brought us to a climatological tipping point here on Earth. Do we want to bring the same unsustainable practices with us as we step out into the solar system? Subscribe to CNET: https://www.youtube.com/user/CNETTV CNET playlists: https://www.youtube.com/user/CNETTV/playlists Download the new CNET app: http://bit.ly/2fmiQ6l Like us on Facebook: http://bit.ly/1930vfU Follow us on Twitter: https://www.twitter.com/cnet Follow us on Instagram: http://bit.ly/2icCYYm http://bit.ly/2M8AQAL CNET May 24, 2019 at 09:00AM