HE was the star of the 2007 Vienna Conference—in the eyes of scores of journalists covering the five-day United Nations event at the Austria Center in Vienna, organized by the UN Framework Convention on Climate Change (UNFCCC) last week. One thousand delegates from 158 countries and 40 environmental organizations took part at the conference.

Yvo de Boer, the highest UNFCCC official, must ensure that the target would be met, which is the aim of