Obama emphasized that the continuing build-up of carbon dioxide in the atmosphere poses "dangers" and appeared to chastise China and India for being unwilling to commit to emission reductions.
"The successes and failures of our own past can serve as an example for emerging economies: that it's possible to grow without polluting, that lasting prosperity comes not from what a nation consumes, but from what it produces and fro

The administration has appeared to reduce the priority it gave to efforts to lower American greenhouse gas emissions since a greenhouse gas emissions bill died in Congress in 2010.
The Environmental Protection Agency has also recently backed off on several proposals to increase regulation of air pollution, control mountaintop removal mining, and set rules for the storage of coal ash.
Official White House photo of President Barack Obama speaking at Westminster Hall in London, May 25, 2011, by Pete Souza.