Twenty ideas that could save the world

Anyone watching an hour or two of the “hearings” in Manchester last weekend on which this report was based could not fail to have been similarly cheered. The idea behind them was simple: we hear endlessly about the havoc unabated climate change will wreak, about long-term emissions targets and diplomatic wrangling over who will commit to them. But the countless ingenious ideas for tackling the problem emanating from universities, thinktanks, front rooms and sheds across the planet get rather less attention. So the Guardian teamed up with the Manchester International Festival to mount a search for the best of them.
Guardian