The Doomsday Clock is an internationally recognized design that conveys how close we are to destroying our civilization with dangerous technologies of our own making. First and foremost among these are nuclear weapons, but the dangers include climate-changing technologies, emerging... Read More
Do you think the hands of the Doomsday Clock should be closer to or farther from midnight?
An atmospheric scientist at Carnegie Institution's Department of Global Ecology at Stanford University, Caldeira runs a laboratory that investigates Earth's carbon cycle, oceanic carbon sequestration and ocean acidification, and the intended and unintended consequences of geoengineering. Formerly a research physicist at Lawrence Livermore National Laboratory, Caldeira moderates the geoengineering discussion group on Google.
Alan Robock suggests that I must respond to the "totality" of his argument--that it's not enough to pick off his 20 theses one-by-one, as if the "totality" of his position is somehow more than the sum of its parts.
Winston Churchill once famously said, "Democracy is the worst form of government except all the others that have been tried." Climate engineering may indeed be a bad idea, but so far, better ideas to mitigate global warming show little traction.