Flicking through the Edinburgh Festival Fringe programme, it's noticeable how many plays there are on economic migration and trafficking, and how few on climate change and the environment.
There's a play about farming in Zimbabwe, one about fisherman off the Devon coast, and ... well, that's as close as it gets at the moment.
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...
5 hours ago



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