More corporate greening: plants trees, cuts energy use

The search engine is the first corporation to participate in Dell's "Plant a Tree For Me" program unveiled at CES in January. says it is answering Michael Dell's challenge to companies to become more green.

The IAC-owned search engine announced Wednesday that it's using Dell servers in its new data center that will use 30 percent less energy without sacrificing computing power. Plus, Ask is planting "thousands" of trees as part of Dell's "Plant a Tree For Me" initiative in which trees are planted to offset carbon emissions.

The CEO of Dell made the pitch back at the Consumer Electronics Show in January. Many tech companies have made their own pledges to adopt a greener attitude.

The global IT industry accounts for the same amount of carbon dioxide emissions--2 percent--as the aviation industry, according to Gartner.