Guardian: The Obama administration’s long-awaited scientific report on the sweeping and life-altering consequences of a failure to act on global warming – Global climate change impacts in the United States – is released today. It provides the most detailed picture to date of the impacts on the US in the worst case scenarios, when no action is taken to cut emissions. Examples include: floods in lower Manhattan; a quadrupling of heatwave deaths in Chicago; withering on the vineyards of …