The lively twitterstream from the State of the Arts conference shows how popular green buzzwords are. There have been a lots of references to "ecology", "sustainable", "environment" and "resilience". But none of these words have been used in a green context.
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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