Buenos Aires, Argentina (CNSNews.com) - Environmentalists from different climate change camps exchanged harsh words and blows during the closing ceremonies of the United Nations Climate Change Conference Friday, with global warming proponents clashing with global cooling activists. Buenos Aires police took 11 people into custody following the dispute, which apparently erupted over a mix-up in talking points about the risks of global warming and global cooling. Authorities said no one was seriously injured in the fracas. Officials said it appears the disruption began when a draft statement on the dire effects of global warming were traced to earlier warnings on...