Climate and hope on emissions? – headlines

•America delivers climate hope, again. US CO2 fell 3.8% last year •U.S. carbon emissions fell sharply in 2012. But don’t expect that to last. •Are global emissions heading for a permanent slowdown? •Study: Arctic Sea Ice Loss Shifts Jet Stream, Driving Deluges In NW Europe, Drought In Mediterranean •Unprecedented warming uncovered in Pacific depths