'We live on a planet with finite resources,' says the New Scientist, 'so why do we have an economic system in which all that matters is growth?' Special issue on how the economy is killing the earth.
Ancient Peruvian civilisation grew mighty by harvesting guano
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The Chincha Kingdom was transporting seabird excrement from islands to
valleys as early as the 13th century, and this powerful fertiliser may have
been key...
4 hours ago
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