The latest evidence that climate change is already causing massive damage Extreme weather patterns spawned by global warming are a serious threat to the nation's energy infrastructure, according to a new report from the Department of Energy, and their destructive effects are already being felt nationwide. "Increasing temperatures, decreasing water availability, more intense storm events, and sea level rise will each independently, and in some cases in combination, affect the ability of the United States to produce and transmit electricity from fossil, nuclear, and existing and emerging renewable energy sources," the report states. In the most striking example, the report...