• Terrence Aym
Professor Ralph Keeling of Scripps Institute is worried. In fact, he's very worried. According to the data Keeling has meticulously collected since 1989 the world is running out of breathable air—and the rate that it's losing oxygen is now on the verge of accelerating. Monitoring oxygen levels around the world is Keeling's job. He's very good at his job. And the data confirms that Earth's oxygen supply is dwindling.
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