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Walk outside and give the treadmill a break

By Dan Estabrook | Monday, September 22, 2008 3:47 PM ET

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One thing that I've noticed at the gym is how, on perfectly beautiful days, people are indoors getting their cardio on a treadmill.  Now, I understand the convenience, etc., of a treadmill but why not walk outdoors instead? According to The Green Book, even a 25% shift in time on the treadmill to time outside would conserve about 60 kilowatt-hours of energy per year.  If an additional 10% of Americans who walk as their number one form of exercise  did so outside, it would save as much energy as it would take to drive a car 40,000 miles! That's just over three years worth of driving mileage for most people who own a car.  Incredible! Source: The Green Book

Dan Estabrook is Senior Editor and frequent contributor to Tonic. He also serves as Director of Goodness - so let him know about people and organizations doing good things. Who knows? Tonic might help support!

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