William H. Calvin

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  1. The Great Climate Flip-Flop

    “Climate change” is popularly understood to mean greenhouse warming, which, it is predicted, will cause flooding, severe windstorms, and killer heat waves. But warming could lead, paradoxically, to drastic cooling—a catastrophe that could threaten the survival of civilization.

    People in bathing suits sit atop an ice mass
    Francois Lenoir / Reuters