The climate has changed on a schedule for millennia. But have humans broken this climate clock? NOVA on Facebook: https://www.facebook.com/NOVAonline NOVA on Twitter: @novapbs NOVA on Instagram: @novapbs PRODUCTION CREDITS Host: Caitlin Saks Digital Producers: Caitlin Saks & Ari Daniel Production Assistance: Yasmeen Fakhro & Annie Kim Editorial Review: Julia Cort Science Advisors: Richard Alley & Julie Brigham-Grette DECODING THE WEATHER MACHINE Written, Produced, and Directed by: Doug Hamilton Co-Producer: Caitlin Saks © WGBH Educational Foundation 2018 MEDIA CREDITS Additional Visuals: NASA videoblocks wikipedia Music: ­APM