At the recent Washington Summit on Climate Stabilization, scientists and policy makers from US, Canada, Mexico. Australia, UK, and Iceland spoke of how close the world’s climate system could be to tipping into a situation where the warming feeds on itself, driving temperature and sea level higher and higher at a pace that could overwhelm the capacity of humanity and ecosystems to adapt. Polar and climate experts indicated that the warming will reduce the albedo (i.e., reflectivity) of the surface in the polar regions as sea ice melts, causing a greater absorption of energy and warming that could, in turn, cause the release of massive amounts of methane held in the Arctic tundra, further accelerating the warming underway. Australian scientist A. Barrie Pittock presented ten reasons that could cause the warming and sea level rise projected by the Intergovernmental Panel on Climate Change (IPCC) to be greater than their mid-range estimates.