Comet wiped out early man?

New theory: A comet exploded over the northern hemisphere in 11,000 BCE, setting half of the planet on fire, wiping out the large mammals that populated much of the affected area, set back human civilization by centuries, and melted ice fields, which disrupted the Atlantic currents and subjected Europe and Asia to a millennium-long cold …

Climate change: A guide for the perplexed.

New Scientist debunks the 26 most common myths and misconceptions about global climate change, ranging from “It’s all a conspiracy” to “Polar bear numbers are increasing,” “The ‘hockey stick’ graph has been proven wrong” to “Global Warming is caused by the sun.” These myths are utterly wrong, and easily shown to be so.

Climate change accelerated.

Science Magazine: Climate change is occurring faster than forecast. Sea levels, for instance, are rising at 3.3mm annually, not the 2mm forecast by the Intergovernmental Panel on Climate Change. This is particularly ironic in light of American conservatives complaining that the IPCC exaggerated the likely outcome when, in fact, it seems they were too optimistic.