According to a environmentalists calculations, the carbon emitted from the production of food that would provide you the energy to walk to the shops is greater than that emitted from the car that you would have driven that same distance.
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The sums were done by Chris Goodall, campaigning author of How to Live a Low-Carbon Life, based on the greenhouse gases created by intensive beef production. “Driving a typical UK car for 3 miles [4.8km] adds about 0.9 kg [2lb] of CO2 to the atmosphere,” he said, a calculation based on the Government’s official fuel emission figures. “If you walked instead, it would use about 180 calories. You’d need about 100g of beef to replace those calories, resulting in 3.6kg of emissions, or four times as much as driving. |
Now those calculations may be true, but as pointed out by a Digg commenter, this would mean if you were to drive, you wouldn’t have eaten those calories. Personally, when I’m going to walk somewhere I don’t stop to grab a bite before I leave to “fuel up”.
The article does show that there are a lot of contributers to global warming that you perhaps wouldn’t have thought of before, such as paper bags being less efficient than plastic, but there isn’t one specific thing that can be changed to stop carbon emissions. There is always going to be some source of gases somewhere. The only true way to massively cut back is to go back to the stone age.
External Link:
http://www.timesonline.co.uk/tol/news/uk/science/article2195538.ece
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