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How NASA averted the 2060 apocalypse
Astronomy, Science Communication
Pop quiz! Which NASA mission has been most critical to humanity? It's not the Moon landing. It's not the Apollo 8 mission, with its iconic Earthrise photo. It's not even spinoff tech like cell phones, baby formula, and GPS. "All those kind of fall flat, to tell you the truth," says Michelle Thaller, NASA's assistant director of science communication. "I think that people don’t understand." Thaller says the greatest mission NASA ever pulled off was saving your butt. While conducting blue sky research—curiosity-driven scientific investigation with no immediate "real-world" applications—that scientists in the 1980s discovered that the ozone layer was being depleted. Realizing the danger this posed to life on Earth, scientists—and NASA's crack team of science communicators—mobilized the public, the U.N., and governments to get the Montreal Protocol signed, and to ban ozone-depleting chemicals for good. "We’ve since done atmospheric models that show that we would have actually destroyed the ozone layer, had we done nothing, by the year 2060..." says Thaller. "That would have destroyed agriculture. Crops would have failed all over the world. You couldn’t have livestock outside. People couldn’t have lived outside. We very nearly destroyed civilization, and your grandchildren would have lived through that." The value of blue sky research is severely underestimated—especially when budgets are being drafted. But it has led to the best NASA spinoff Michelle Thaller can think of: grandchildren.