By tracking the amount of light emitted by Baghdad neighborhoods at night, a team of UCLA geographers has uncovered fresh evidence that last year’s U.S. troop surge in Iraq may not have been as effective at improving security as the administration has suggested and that ethnic cleansing by rival Shiites may have been largely responsible […]
Despite sub-zero temperatures, the Earth’s warming north may add more carbon to the atmosphere from soil, accelerating climate warming further. “The 3 to 7 degree Fahrenheit rise in temperature predicted by global climate computer models could cause the breakdown of the arctic tundra’s vast store of soil carbon,” said Michelle Mack, an ecologist at the […]
