At a lecture at Boston University a few years ago, Freeman Dyson, one of the world's top physicists, who replaced Albert Einstein at the Institute for Advanced Study in Princeton, put very simply one of the most basic arguments against the notion that CO2-driven global warming is likely to be disastrous: In humid air, the effect of carbon dioxide on radiation transport is unimportant, because the transport of radiation is already blocked by the much larger greenhouse effect of water vapor. … [Read more...]