It's becoming easier to make eco-conscious choices as you hit the road, since more hotels now incorporate green practices into their business. In the past year, the number of hotels with LEED certification, an official designation from the U.S. Green Building Council (USGBC), has jumped from 120 to 170, with another 950 in the process of seeking status. Hotel owners understand that there is growing demand for going green," says Jacob Kriss, media associate at the USGBC. A 2009 study by Deloitte found 40 percent of business travelers are willing to pay more for a green hotel and 38 percent of business travelers actively seek information on green hotels. In honor of Earth Day, here's a look at 10 hotels that have gone beyond the buzzwords to offer green-thinking guests a stay that's more sustainable.