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6 websites for traveling smarter

For road warriors, knowledge is power. Here's where to find the information you need to plan better business trips.

Go green. Get rich Meet the companies tackling nine of humanity's biggest problems -- and making millions saving us from ourselves. (more)
8 technologies to save the world These futuristic projects promise to make the world greener, while making entrepreneurs some green. (more)
101 Dumbest Moments in Business Business 2.0 Magazine's 7th annual look at the year in bungled layoffs, customer-service snafus, executive follies, and other madness. See all 101. (more)