Science - Climate change latest news

LiveScience.com - Claims are floating around the blogosphere that the American Physical Society, the leading professional organization for physicists, has reversed its position on global warming. But on its Web site, the APS has reaffirmed that it supports the consensus view that human-caused greenhouse gas emissions are warming the planet. Part of the statement the society adopted on Nov. 18, 2007, states: "Emissions of greenhouse gases from human activities are changing the atmosphere in ways that affect the Earth's climate. ...

LiveScience.com - A polar bear clinging to a melting iceberg may the poster child for global warming, but rising temperatures, pollution and other human activity are also affecting the animal kingdom in far subtler ways. Like the proverbial canary in the coal mine, the natural world could be giving us other signs that human intervention has knocked it way off kilter.