Representatives from more than 150 countries are holding a series of meetings on a new global climate treaty which they hope will become an official agreement in Copenhagen in December to replace the Kyoto Protocol that expires in 2012.<br /><br />But South Korea's president, Lee Myung-bak, has vowed to make green energy profitable by the year 2015, and has already initiated ambitious plans that have drawn international praise.<br /><br />Al Jazeera's Steve Chao reports.
