Point Of Inquiry

Global warming, we're often told, is an issue we must address for the sake of our grandchildren. We need to cut carbon because of our moral obligation to future generations. But according to Bill McKibben, that's a 1980s view. As McKibben writes in his new book Eaarth: Making Life on a Tough New Planet, the increasingly open secret is that global warming happened already. We've passed the threshold, and the planet isn’t at all the same. It's less climatically stable. Its weather is haywire. It has less ice, more drought, higher seas, heavier storms. It even appears different from space. And that’s just the beginning of the earth-shattering changes in store—a small sampling of what it’s like to trade a familiar planet (Earth) for one that's new and strange (Eaarth). We'll survive on this sci-fi world, this terra incognita—but we may not like it very much. And we may have to change some fundamental habits along the way.   Eaarth, argues McKibben, is our greatest failure. Bill McKibben is