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the cheeseburger footprint
cheeseburger footprint from six degrees 320x240
Explaining carbon footprint with a cheeseburger
The Carbon Footprint Of A Sandwich
A Tale of Two Burgers (and their Eco-Footprints!)
Stopping global warming one cheeseburger at a time
How much is your cheeseburger really costing the environment?
CNN: Food's carbon footprint
The Hidden Costs of Hamburgers
Water Footprint of a Burger
The Carbon Footprint of a Burger and How it Relates to Global Warming
Will Dominik Ian Hamburger Carbon Footprint
