De journalist wist een lang verhaal over Groenland en klimaatsverandering dat ik hier eerdere op de blog zette, en ontleende aan Jered Diamonds'Collapse, knap samen te vatten. "Poppe illustrates the complexity of the issue with a story about climate change in Greenland in the Middle Ages, which led to the decline of the Vikings. 'The cause of that was not just that it got cooler. The problem was also at the cultural and institutional level. There was overgrazing, which did not bother the elite because it gave them more power over the farmers. That overgrazing might not have been fatal if the Vikings had learned to eat fish, but strangely enough these seafarers were not fishers. They could have picked it up from the Intuit who were coming in".
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