> #1 flying, #2 driving, #3 heating and #4 cooling. At least in the UK Department of Energy and Climate Change's Global Calculator[1] the food lever appears to

> #1 flying, #2 driving, #3 heating and #4 cooling. At least in the UK Department of Energy and Climate Change's Global Calculator[1] the food lever appears to have the greatest impact on greenhouse gas emissions, even more than heating or transport. [1] http://tool.globalcalculator.org http://tool.globalcalculator.org