The Intergovernmental Panel on Climate Change (IPCC) released a special report last week warning of the mounting effects of global warming on the seas, increasing temperatures and acidification, and on the world’s melting ice. It noted the potential dangers from sea level rise, water shortages in glacier-fed rivers, declining and shifting fish stocks, and increased frequency and severity of storms, among many other hazards. The release came during a week marked by climate-related activities, from youth protests around the world to a United Nations summit meeting of global leaders to consider the issue. The Gazette spoke with John Holdren, the Teresa and John Heinz Professor of Environmental Policy at the Harvard Kennedy School, of environmental science and policy in the Department of Earth and Planetary Sciences, and affiliated professor in the John A. Paulson School of Engineering and Applied Science. Holdren was director of the White House Office of Science and Technology Policy during the Obama administration and now co-leads the Arctic Initiative at HKS’ Belfer Center for Science and International Affairs. Surprisingly, while the situation seems urgent, Holdren suggested there may be something positive lurking under the gloom.
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Source: Phys.org