The controversy continues. But with the imprimatur of Phil Jones to the key fact that recent warming is not unusual, the debate will never be the same.

New tariffs are now prohibited by the WTO, and both the CAP and VAT are unpopular with voters. Enter “Climate Change” - and an indirect tariff via a carbon tax, an ETS.

Pity the politician in 2010. Climate change policies pose an unknown, but potentially strong, temptation to cross party lines.