Hard cheese
WHICH sandwich filling causes the most climate change: chicken, cheese or peanut butter and jam? This riddle was put to the Oxford Farming Conference last week by Prof Sarah Bridle during the Frank Parkinson lecture. The answer was cheese, an illustration of the hard choices to be made (who wants a peanut-butter-and-jam orientated diet?) if we’re to reduce the amount of greenhouse gases caused by food. A steak is 20 times more damaging to the atmosphere than a jacket potato with baked beans (if the potato is microwaved and not cooked for two hours in an oven to produce a delicious crispy skin). It is not only in Veganuary, according to this analysis, that we should review our diet. Ruminant animals emit methane and could be an obstacle to the Prime…