How Charlie, His Great-Great Grandfather. and Supermax Saved the world describes the problem of the ever more severe weather that is coming in our future. A young boy, Charlie, in the year 2080, is troubled as he listens to his parents who worried as they research an approaching storm. They are scientist studying climate changes. They have become alarmed as the storm is the worst ever. Charlie's parents have him a supercomputer for company and Charlie and the super computer have become pals. As Charlie wonders aloud id something can be done to lessen the dangerous weather, his supercomputer pal, Supermax, suggests a way-time travel back to when his great-great grandpa was POTUS, and in a position to change the climate for the world and improve the weather. This illustration story will interest grammar school aged children as it descries the problem of extreme weather. The story tells the basic science explaining this climate change. It is also a science fiction tale with time travel and political intrigue, It is the story of a brave boy from the future who, with the help of his genius computer, travels back in time to change his great-great grandpa's position on climate, and by doing so, saves humanity leaving a beautiful earth for us all.