Time Magazine: Environmentalists are often accused — not always unfairly — of overplaying the fear card. With apocalyptic references to melting polar ice caps, rising sea levels and widespread species extinction, the driving message of environmentalism is that the future is doomed, unless we act now to save it. But what happens when another more alarming, more immediate catastrophe co-opts people’s fear? That’s the predicament greens find themselves in now, with what is potentially the worst …