Arctic Carbon Emissions Climate Change and Business Climate Change and Civil Society Climate Science Environmental Environmental News Environmental Resources Extreme Weather Global Warming News International Rising Sea Levels Climate Change News Round-Up: 2nd Hottest US Summer, Record Low Arctic Sea Ice, US CO2 Emissions Record, La Nina Returns September 13, 2011January 11, 2013Andrew Burger2 Comments on Climate Change News Round-Up: 2nd Hottest US Summer, Record Low Arctic Sea Ice, US CO2 Emissions Record, La Nina Returns