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To achieve the latest international targets on climate change we know that radical action is needed yet evidence that this action is happening seems very hard to find. Is the target for an 80% reduction in greenhouse gas emissions by 2050 just too ambitious? Are we - the public, the media, the government - burying our heads in the sand waiting for a miracle new technology to save us? Or, despite mounting evidence to the contrary, do we not really believe that catastrophic climate change is going to happen?
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