That is the headline of a lengthy article by Margaret Wente, a columnist for The Global and Mail, on climate policy and politics. The following excerpt introduces the piece:

Is the sky really falling? How fast and how hard? And if the vast majority of scientists agree, then why don’t governments act? After all, nobody wants the world to melt.

If you’re an average, concerned citizen, no one will blame you for being confused or angry. The global-warming debate has become so shrill, so political and so polarized that it’s impossible for even a reasonably well-informed person to figure out who or what to believe. Only one thing is for sure: Science isn’t all that is driving this debate. Politics, ideology and scaremongering are too.