Flying Green

British start-up Silverjet, which begins flights between London and Newark, N.J., in January, will charge passengers a fee to make up for carbon-dioxide emissions that result from jet travel, the Wall Street Journal reports. The all-business-class, low-cost carrier will team up with CarbonNeutral Co. to purchase the carbon offsets, which go toward planting trees, purchasing energy-efficient light bulbs and developing wind power.

Virgin Atlantic, meanwhile, has announced plans to tow its planes to takeoff areas to reduce emissions from its Boeing 747-400s. Trials start this month at London's Heathrow and Gatwick airports.

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