It's not simple economics, accounting for externalities is really complex and fraught with subjectivity. What price on early deaths, reductions in labor force

It's not simple economics, accounting for externalities is really complex and fraught with subjectivity. What price on early deaths, reductions in labor force and increased medical bills? I've been to China a couple times, the pollution is bad. Any place where hello kitty surgical masks are a fashion item, that should tell you something about the air quality. This is why China is actually investing a ton in renewables now -- it's not about the US pulling up a ladder behind us (as if we could), it's about what's best for Chinese and for the world. They are not obligated to use coal for 100 years before moving up the ladder -- heck, they can beat us up it, since they're actually willing to invest in infrastructure and we're not.