evidence: Insightful Bloomberg coverage on the rapidly changing Arctic: sea ice melt and permafrost thawing in Bloomberg, by Blacki Migliozzi & Eric Roston — 21 Apr 2017 Declining Arctic sea ice cover and thawing permafrost are both complex feedbacks that amplify global warming: The loss of reflective sea ice means more sunlight absorbed by the dar... [...] Heartland Institute report incorrectly claims no evidence of human impacts in melting ice