This is the 28th in a series of actual scientists’ emails. Actual scientist deliberate and reprimand those who go off course. Dr. Timothy Lenton et al, 2019’s tipping point article tells us more than half of known tipping points have activated since about 2010, which coincides well with climate change warming beyond 0.5 C. Climate tipping points-too risky to bet against, Nature, November 27, 2019 (https://www.nature.com/articles/d41586-019-03595-0)