Calls for Emissions Reductions

US national security advisor says climate change is threat, calls for Emissions Reductions By Carl Franzen / The Verge (April 24, 2013): Scientists and advocates have called for reductions in greenhouse gas emissions for years. But now the White House national security advisor is joining in the chorus. Tom Donilon, the national security advisor to…

The fragile fringe of West Antarctica

Expedition to a crumbling Antarctic ice shelfBy Ted Scambos / NSIDC[wpcol_1half id=”” class=”” style=””]November 4, 2011: With preparations in place, I asked if I could tag along with a NASA group here working on Operation IceBridge, an airborne mapping and measurement program intended to bridge the gap between the ICESat satellite (a laser-ranging mission that…