Carbon dioxide (CO2) emissions from fossil fuels constitute 85 percent of our energy use, says the Intergovernmental Panel on Climate Change. But global warming alarmists proclaim that we must reduce that percentage to zero or face the dire consequences. Patrick Moore, Canadian scientist co-founder of Greenpeace, begs to differ. “How can something that makes life possible be bad?” he asks. Moore dissects this questions and provides some surprising benefits of CO2 not commonly part of the climate change debate in this edition of Prager University.