Our planet has seen its climate fluctuate significantly across billions of years, but the past 100 years has seen an unprecedented spike in Earth's temperature. Dr. Paul Sutter returns to Ars Technica to break down the factors behind our changing climate, where we go from here, and what there's still time left to influence. Find more with Dr. Paul Sutter here: Website: https://pmsutter.com/ YouTube: null Twitter: https://twitter.com/PaulMattSutter Facebook: https://facebook.com/PaulMattSutter Instagram: https://instagram.com/PaulMattSutter Tiktok: https://tiktok.com/@paulmattsutter Connect with Ars Technica: Visit ArsTechnica.com: http://arstechnica.com/ Follow Ars Technica on Facebook: https://www.facebook.com/arstechnica Follow Ars Technica on Google+: https://plus.google.com/+ArsTechnica/videos Follow Ars Technica on Twitter: https://twitter.com/arstechnica