Dahr Jamail on Recent Climate Data, and Pit River Tribe's Legend of Mis Misa (Spirit in Mt. Shasta)

To complement what Jamail says about the IPCC, you may want to see this link. A May 21, 2019, CNN article on sea level rise also fits the pattern of too-conservative predictions noting there is a "5%" chance "by 2100, sea levels could rise by more than two meters (6.6 feet) in the same period -- double the upper limit outlined by the UN climate science panel's last major report."