This article illustrates how the carbon footprint of food is calculated
and illustrates what a consumer-friendly carbon footprint label would
look like. It comes to an amazing conclusion:
"To make it clear, then: the greenhouse gas emissions arising
every year from the production and consumption of cheeseburgers is
roughly the amount emitted by 6.5 million to 19.6 million SUVs. There are now approximately 16 million SUVs currently on the road in the US." http://www.openthefuture.com/cheeseburger_CF.html
