The Earth has dozens of names in dozens of languages, but the human-dominated moment in the planet’s history that we find ourselves in has been named only once: The Anthropocene. The man most responsible for that moniker, Nobel Prize-winning chemist Paul Crutzen, died on Thursday at 87.
Crutzen discovered in 1970 that nitrogen pollution was capable of destroying ozone in the atmosphere, a critical layer of that protects living things from the sun’s ultraviolet radiation. The implications were potentially dangerous, as this ozone gas thinned into a “hole” above the Southern Hemisphere that threatened to leave millions of people
Crutzen discovered in 1970 that nitrogen pollution was capable of destroying ozone in the atmosphere, a critical layer of that protects living things from the sun’s ultraviolet radiation. The implications were potentially dangerous, as this ozone gas thinned into a “hole” above the Southern Hemisphere that threatened to leave millions of people

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