Commentary: Obama Must Take A Lead On Climate Change - And Soon
Intellpuke: This commentary was written by Jeffrey Sachs, professor of economics and director of the Earth Institute at Columbia University. He is also special adviser to the U.N. secretary-general on the millennium development goals.
Intellpuke: This commentary was written and compiled by Spiegel journalist David Crossland under the German news magazine's "The World From Berlin" column, which features editorial comments from various German news organizations.
