The Bet: Paul Ehrlich, Julian Simon, and Our Gamble over Earth’s Future Format:Hardcover When the built-in speaker is

When the built-in speaker is used

- Microphone: Advanced electret

There are no delicate parts

away from sunlight or heat

The Bet: Paul Ehrlich, Julian Simon, and Our Gamble over Earth’s Future Format:Hardcover When the built-in speaker isIn 1980, the iconoclastic economist Julian Simon challenged celebrity biologist Paul Ehrlich to a bet. Their wager on the future prices of five metals captured the publics imagination as a test of coming prosperity or doom. Ehrlich, author of the landmark book The Population Bomb, predicted that rising populations would cause overconsumption, resource scarcity, and famine with apocalyptic consequences for humanity. Simon optimistically countered that