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Climate Impacts of Food Choices in the U.S.A.
June 27, 2008
If you want to fight global warming with your food choices, it's important to change what you eat as well as where it comes from, according to a recently published article- Food-Miles and the Relative Climate Impacts of Food Choices in the United States -  in the peer-reviewed journal Environmental Science and Technology.

The authors also use a automobile comparison to illustrate how changes in diet compare to changes in driving. Using a 25-mile per gallon car as their baseline, they provided the following estimates of mileage reduction through diet shifts:

An “all local” diet is equivalent to driving 1,000 fewer miles per year
Shifting one day per week’s calories from red meat to chicken/fish/eggs is equivalent to driving 760 fewer miles per year
Shifting one day per week’s calories from red meat to a vegetable-based diet is equivalent to driving 1,160 fewer miles per year
Giving up red meat and dairy in favor of chicken/fish/eggs is equivalent to driving 5,340 fewer miles per year
Switching to a completely vegan diet is equivalent to driving 8,100 fewer miles per year
 Read full article here.


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