Flights are the fastest-growing polluter in transport, and 95% of the world’s population has never been on a plane.
My Going Green column asks: Do the rest of us have a right to fly?
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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