UK emission targets

George Monbiot just broadcast an effective and engaging presentation of research indicating that the UK goverment is off track to deliver 30% cut in greenhouse gas emissions by 2020. This was a target, I think I heard him say, worth achieving. In his recent book Heat he says a cut of at least 90% cut in UK emissions by 2030 is necessary and feasible. That looks like a big jump between 2020 and 2030.