Climate scientists and government officials are gathered in Switzerland this week to agree the final summary for policymakers in the latest blockbuster series of reports from the Intergovernmental Panel on Climate Change (IPCC) on global warming and how to keep it in check.

Coming before an important review of global progress on climate goals at the end of this year, it doesn’t take a PhD to work out that the key message will be along the lines of “must do better”.
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