Whether out of poverty or virtue, many of us spend much of the year reining in our appetites to save our pennies and our health. But at Christmas many of us put our worries aside and go wild in an orgy of lavish gifting, extensive travel and a gluttonous feeding frenzy. This carnival of consumption has a cost: not just to our wallets and our waistlines, but also to the climate. An analysis for the Guardian has found the average Briton’s consumption on Christmas Day causes 23 times more greenhouse gas emissions than a regular day. Emissions generated by each