Earlier quoted context omitted.
Reference: http://www.kimnicholas.com/uploads/2/5/7/6/25766487/fig1full...
I find this difficult to believe! One transatlantic round trip flight is about 60% as bad as living car free? Assuming you do not travel at all - right? But you will travel. You will cycle to work, and you will burn more calories, and you will therefore eat more food, ending up contributing just as much too increasing emissions!
What about alcohol consumption?
Is confectionary, eg. chocolate, lollies, ice cream, considers food waste for environmental purpose, given they are highly processed and completely uncessary from a nutritional perspective?