The theory of human-caused global warming is straightforward. The level of the so-called “pollutant” carbon dioxide, or CO2, is rising in the atmosphere, causing a worldwide increase in temperatures that ultimately will have a catastrophic effect on the planet. To prevent this catastrophe, a vast regulatory infrastructure needs to be created, even if it means sacrificing jobs, economic efficiency, personal freedoms or national sovereignty itself. But what if CO2 isn’t a pollutant? That’s precisely the shocking finding of a new report from statistician Jim Wallace, climatologist John Christy and meteorologist Joe D’Aleo, who contend the Environmental Protection Agency erred when...