Hotels hop on the 'green' bandwagonBy Alfred Borcover, Special to the Chicago Tribune August 22, 2007 In case you haven't noticed, hotels are going green, doing their part to be ecologically friendly. You might call it the Al Gore effect, although the movement began before "An Inconvenient Truth" won an Academy Award this year. The green efforts go further than asking guests to use towels and bed linens more than once (as they do at home), to conserve water and avoid flushing more detergent-laden water into sewers. It's also more than replacing incandescent light bulbs with compact fluorescent bulbs in...