Ecquo » passaggio nord est http://magazine.quotidiano.net/ecquo Sostenibilità sociale, economica e ambientale Mon, 20 Jul 2015 15:44:04 +0000 it-IT hourly 1 http://wordpress.org/?v=4.2.3 Riscaldamento globale, fra dieci anni si aprirà il ‘passaggio a nord est’ http://magazine.quotidiano.net/ecquo/ecquo/2009/07/18/riscaldamento-globale-fra-dieci-anni-si-aprira-il-passaggio-a-nord-est/ http://magazine.quotidiano.net/ecquo/ecquo/2009/07/18/riscaldamento-globale-fra-dieci-anni-si-aprira-il-passaggio-a-nord-est/#comments Sat, 18 Jul 2009 13:36:18 +0000 http://magazine.quotidianonet.ilsole24ore.com/ecquo/?p=27988 http://js-kit.com/rss/magazine.quotidiano.net/ecquo/p=27988 0 http://magazine.quotidiano.net/ecquo/files/2009/07/polo-280x189.jpg **-FILE **This is an undated file photo of a polar bear taken in the Artic National Wildlife Refuge. Overall, Earth's climate has warmed by about a degree Fahrenheit since 1900. In the Arctic, where a number of processes amplify the warming effects of carbon dioxide, temperatures have risen four to seven degrees in the last 50 years. (AP Photo/Subhankar Banerjee/FILE) http://magazine.quotidiano.net/ecquo/files/2009/07/polo.jpg