LONDON, UNITED KINGDOM - FEBRUARY 18: Britain's Prince Charles, Prince of Wales, the patron of the The Cambridge University Programme for Sustainability Leadership, right, talks to Robert Webb, General Council British Airways, left, as he attends the launch of the World Travel and Trade Council's "Leading the Challenge on Climate Change" report at Clarence House, on February. 18, 2009 in London. The WTTC is the forum for business leaders in the travel and tourism industry, was established in 1990 and with Chief Executives of some one hundred of the world's leading travel and tourism companies as its members. WTTC works to raise awareness of travel and tourism as one of the world's largest industries, employing approximately 231 million people and generating over 10.4 percent of world GDP. (Photo by Alastair Grant/WPA Pool/Getty Images)