Author: William Schlesinger

William Schlesinger
faculty

Global Warming Redux

When I wrote my first editorial about global warming, back in October 2000, the concentration of CO2 in Earth’s atmosphere stood at 370 parts per million (0.037%). Today, CO2 stands more than 400 parts per million, and the world’s additions of this gas to the atmosphere have increased nearly every year—with only a slight pause during the global recession of 2009. The rise in emissions is due to more people, each with a desire for a higher standard of living, largely based on fossil fuels.

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