Guardian: How often have you read that we have a once-in-a-generation opportunity to solve the problem of climate change shortly followed by frustration and disappointment? People might expect me, as a climate scientist, to be disappointed by the failure of the attempt by the MP Tim Yeo to set an ambitious decarbonisation target in Tuesday's debate on the energy bill. But I'm not.
Not because I don't think it is possible, or even desirable: get climate policy right, and I believe we will have largely...