By Bruce Stokes, Director of Global Economic Attitudes, Pew Research Center

Special to CNN

The Obama administration is stepping up its game in dealing with climate change. In his June 19 speech at the Brandenburg Gate in Berlin, President Barack Obama said that “the effort to slow climate change requires bold action.” On Tuesday, in a speech at Georgetown University, Obama called for the United States to “lead the world in a coordinated assault on a changing climate.” And the U.S. Environmental Protection Agency will issue regulations limiting carbon dioxide emissions from existing power plants.

Such moves echo widespread public concern about global warming outside the United States, according to a recent poll of 39 countries by the Pew Research Center. But they do not reflect the priorities of the American people, who are, on a per capita basis, among the world’s largest emitters of greenhouse gases. Nor do they reflect the concerns of the Chinese, whose country is the world’s most significant source of carbon dioxide, methane and other emissions.

Read more at CNN’s Global Public Square blog