The clash between political realism and scientific realism will be at the center of climate policy for many years to come.
Bill McKibben on 'Heavy Weather in Copenhagen' (behind paywall)
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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