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William D. Nordhaus, Sterling Professor of Economics at Yale University, whose DICE (Dynamic Integrated model of Climate and the Economy) is among the three considered in EPA's calculations, points to the difficulty of coming up with accurate figures while climate science is still evolving. "It's a slow process," he says, noting that while there is documentation on rising sea levels, there are little data on such factors as methane release from melting permafrost, the impacts of ocean acidification, and the timing of the potential disintegration of the West Antarctic Ice Sheet. "We as social scientists can't [offer...
...Given the lack of a viable timeline for climate impacts - plus the likely hurdles of implementing a sharp reduction plan - Nordhaus, among others, has advocated a reduction in emissions that starts gradually, then increases over time. Others, such as the authors of the Arctic study, point to the environmental, and ultimately financial, burden of not lowering emissions in a timely...
...problems with the Standard Model, some physicists have come up with elaborate alternatives to explain the workings of the cosmos, including the existence of multiple, alternate dimensions, or hidden "supersymmetric partners" to all the universe's particles. To them, failure to find the Higgs - or finding the Higgs among an ensemble of strange and new particles - would be welcome, since it would suggest that more ambitious theories are needed. (See the top 10 scientific discoveries...
...Affairs Committee voted unanimously to endorse the move, which must now be approved by parliament for it to become law. Such a vote is expected by the end of April, which would make Belgium the first European country to implement a ban. Because of the support for the measure among all the main political parties, it is likely to pass. (See a story about Europe's "veil wars...
...Iran has the advantage here is an understatement. Every attempt to curtail its nuclear program has failed. Obama's outreach in the first year of his Administration produced neither a change in Iran's behavior nor a willingness among other countries to increase the pressure on Tehran. The Administration currently claims it is making progress toward tougher sanctions, and the President said this week that he hoped the Security Council would pass a new sanctions resolution this spring. But it is increasingly clear that any new U.N. sanctions, if they come, will contain few new penalties. (See pictures...