Scientific American: Nuclear power plants may not emit greenhouse gases, but they sure could suck in the tax dollars. An analysis by economist Mark Cooper at the Vermont Law School claims that adding 100 new reactors to the U.S. power grid would cost taxpayers and customers between $1.9 and $4.1 trillion over the reactors’ lifetimes compared with renewable power sources and conservation measures. The analysis factors in studies from Wall Street and independent energy analysts estimating the …