Reuters: A thaw of the Arctic linked to global warming may slow a drive to get rid of industrial chemicals that are harming indigenous people and wildlife, an expert said on Monday. About 150 nations are meeting in Geneva this week to consider adding nine chemicals, including pesticides and flame retardants, to a “Dirty Dozen” banned by a 2001 U.N. pact partly inspired by worries about the fragile Arctic environment. But an Arctic melt may be complicating the clean-up even though levels …