The current heat wave is being relentlessly blamed on increasing levels of carbon dioxide in the atmosphere, but there is a much more plausible explanation, one that is virtually endorsed by two of the world’s leading scientific organizations. It turns out that levels of water vapor in the atmosphere have dramatically increased over the last year and a half, and water vapor is well recognized as a greenhouse gas, whose heightened presence leads to higher temperatures, a mechanism that dwarfs any effect CO2 may have.So why has atmospheric water vapor increased so dramatically? Because of a historic, gigantic volcanic eruption...