聯(lián)合國秘書長希望美國做帶頭大哥，這次不是打仗，而是環(huán)境保護(hù)：）
Mr. Ban praised America's role in developing innovative technology to reduce greenhouse gas emissions. Speaking Thursday to a group of students at U.N. headquarters, the secretary-general noted that, while Washington has not signed the Kyoto Protocol on climate change, discussions in the Bush admini…