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John P. Holdren

John P. Holdren

Energy and resources researcher, University of California, Berkeley (at time of bet)

Appears in 1 story

Stories

The bet that tested whether humanity is running out of everything

New Capabilities

Later served as White House Science Advisor under President Obama (2009–2017)

In 1980, biologist Paul Ehrlich — who had warned that hundreds of millions would starve to death in the 1970s — agreed to put money behind his convictions. Economist Julian Simon challenged him to pick any five commodity metals: if their inflation-adjusted prices rose over the next decade, Ehrlich wins. If they fell, Simon wins. On October 11, 1990, Ehrlich mailed Simon a check for $576.07. Every single metal had gotten cheaper.

Updated 3 hours ago