http://blogs.discovermagazine.com/80beats/2009/11/03/lesson-of-the-ancient-nazcas-deforestation-can-kill-a-civilization/ 80beats is DISCOVER's news aggregator, weaving together the choicest tidbits from the best articles covering the day\'s most compelling topics. Sun, 22 Nov 2009 10:55:37 -0600 http://wordpress.org/?v=2.8.4 hourly 1