But U.S. fertility has been below replacement since 1972, averaging 1.9. Any saving in greenhouse gases derived from lower LDC immigration would come from keeping poor people in their place. Mere population does not a superpower make, but countries that are not populous will not be superpowers. I was on the edge until I finished his book with a sense that something was missing. No mention of nuclear power.
Nuclear power produces energy without emitting greenhouse gases.
Environmentalists like Mr. McKibben have difficulty using the N-word. Jane Fonda told them not to. Just try finding out from the green Gore-Clinton administration why they brag about selling nuclear power plants to China, but we can't build new ones here. I won't take global warming very seriously until environmentalists talk very seriously about nuclear power. Mr. McKibben doesn't, preferring vasectomy.