Reuters: Britain’s growing hunger for flights abroad should not be rationed in the fight against climate change, the chief of the UK’s new climate change committee said. Flights out of Britain already account for 6.4 percent of the country’s CO2, and Britons were named in a survey last October as the world’s worst offenders when it comes to carbon emissions from air travel. Last year, Britain’s opposition Conservative party — which is well above the ruling Labour party in opinion polls …