Ministers and scientists have unveiled a Google Earth map showing potential impacts of global temperature rises of 4C, as they acknowledged the need to rebuild public trust in climate science. The interactive map enables interested members of the public to see what could happen in various parts of the world if action is not taken to curb temperature rises by cutting greenhouse gases. It also lets people find out more about the scientific research behind the possible effects of "dangerous" climate change, from sea level rises to changes in crop yields. The launch of the map by the Foreign Office and the Department of Energy and Climate Change comes in the wake of the "climategate" row over emails stolen from the University of East Anglia's (UEA) Climatic Research Unit and the sustained attack it prompted on scientific research into man-made global warming. Government chief scientist Professor John Beddington said much of the criticism of the content of emails by climate researchers at UEA and the response to the emergence of mistakes in a key international report on global warming was "saloon bar scepticism"

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