Rather than being felled by a single disaster, the researchers argue it was this "repeated, long, and intensifying" cycle of ...
The Fertile Crescent, a boomerang-shaped region spanning modern-day Middle Eastern countries, is considered the cradle of ...
Between 750 and 900 CE, the population of the Maya lowlands in Central America experienced a major demographic and political ...
"Plan C for Civilization" takes stock of the amateurs and experts who see promise in using technology to cool the Earth.
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