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Clean Up

How to offset travel's toxic toll on the environment.

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This story appears in the July 2007 issue of Entrepreneur. Subscribe »

As reducing greenhouse gases becomes a global priority, road warriors are considering the environmental consequences of business travel. It takes about 100 gallons of fuel to fly one person on a roundtrip transcontinental flight. So how can you mitigate the carbon dioxide produced in the process? By purchasing carbon offsets, which fund carbon-neutralizing activities such as tree planting (to absorb carbon dioxide) or the use of renewable energy.

TerraPass' "Puddle Jumper" costs $9.95, which balances out 2,500 pounds of carbon dioxide, or about 6,000 miles of flying. Or you can buy Green Tags, renewable energy certificates from the Bonneville Environmental Foundation. One Green Tag represents enough renewable energy to offset emissions from a typical home for a month. Bonneville's site has a calculator to determine appropriate offsets. Green Tags range in price from $20 to $56.

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