Global Warming: It's OK to Be Smart About It

So you know the Earth is warming up--after all, it's overwhelmingly obvious and the vast majority of climate scientists agree about it. But some people just can't seem to accept that; in the loudest cases they're ideologically driven (and/or fossil fuel-funded), but it's possible that a lot of folks just don't have the facts.  When you talk to them at a cocktail party (or at family dinners, what with the holidays and all that), things can get ugly fast. Short of running away or having your head...