Word: melting
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...night to stop feeling sorry. New Orleans is still a high-poverty, high-anxiety mess. Some of its neighborhoods have barely begun to rebuild, and it's still outrageously vulnerable to coastal storms. Its levees are too weak, and the wetlands that once protected it from hurricanes continue to melt into the Gulf. But the Lombardi Gras felt like a new beginning for a who-dat city of underdogs--especially coming just days after its black and white residents came together to install new adult leadership in the form of Mayor-elect Mitch Landrieu. Maybe he can combine the bold...
Coalition officers say that if past confrontations are anything to go by, the Taliban will simply melt away. Usually in wars, commanders keep their battle plans a secret, but NATO officers in southern Afghanistan have found that this strategy of trumpeting their intended assault has worked well in several engagements over the past six months, since it succeeds in clearing out the Taliban without incurring the heavy loss of civilians. It also allows NATO to implant Afghan troops and civic officials to restore some semblance of Kabul's control over areas previously under the sway of Taliban justice and administration...
...vast ice sheets cover much of the planet, and sea levels are as much as 130 meters lower than they are today (all that extra water is locked up in ice). During interglacial periods - we are enjoying one now, East Coast blizzards notwithstanding - the ice sheets retreat, the glaciers melt and sea level rises. The expansive but quickly melting ice sheets of Greenland, the North Pole and Antarctica are all that is left of our last glacial period, which reached its peak about 20,000 years...
...around the sun and the planet's axial tilt wobble periodically, increasing or decreasing the amount of solar radiation hitting the planet's surface. "The sea-level high may be considered an exception to the 100,000-year cycle, in which high summer sunlight caused the ice sheets to melt," writes R. Lawrence Edwards, a geologist at the University of Minnesota, in a commentary on the Science paper...
...major ice sheets of Greenland and Antarctica will respond to warming temperatures. The science is so foggy that the Intergovernmental Panel on Climate Change - which recently came under attack for hyping the impacts of global warming - has refrained from estimating how fast those ice sheets could melt and contribute to sea level rise. Dorale's paper suggests the possibility that ice sheets may respond much more dynamically to changes in temperature, forming and melting at rates that are quicker than previously thought. "There might be a feedback with regards to ice melting," says Dorale. "This is speculation, but it might...