Teams of simulation experts at MIT and elsewhere have built a sophisticated interactive model that can display the most likely effect of the important factors determining the temperature of the earth and other effects (e.g. amount of sea level rise) under varying assumptions. Here engineers Mark Tabbert and Phillip Chipman surprises Metta with the disappointing effects of some variables that she had expected to be powerful. You can see this series of serious talks (or listen to them as podcasts) on our website, https://tosavetheworld.ca/videos. And there is a comments column where you can challenge any assertion that you doubt.