Christian Science Monitor: If 2007 was the year when an international scientific – and popular – momentum built around tackling global warming, this year is likely to be one of boosting that commitment. Last year, three major reports from the UN-sponsored Intergovernmental Panel on Climate Change covered the science of global warming, its potential effects, and ways for addressing the challenge. A special UN meeting in September ahead of climate-change talks in Bali last month was matched by a Washington-led …