Every decade is consequential in its own way, but the twenty-twenties will be consequential in a more or less permanent way. Global CO2 emissions are now so high—in 2019, they hit a new record of forty-three billion metric tons—that ten more years of the same will be nothing short of cataclysmic. Unless emissions are reduced, and radically, a rise of two degrees Celsius (3.6 degrees Fahrenheit) will be pretty much unavoidable by 2030. This will make the demise of the world’s coral reefs, the inundation of most low-lying island nations, incessant heat waves and fires and misery for millions—perhaps billions—of people equally unavoidable.
Really waking up, and not just dreaming to ourselves that things will be O.K., has become urgent—beyond urgent, in fact. To paraphrase Victoria’s fire authority: The world is in danger, and we need to act immediately to survive. ♦
Elizabeth Kolbert
New Yorker
Published in the print edition of the January 13, 2020, issue, with the headline “Don’t Wait.”
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