Emissionary positions.

The article focuses on climate change and emissions control policies in the U.S. The author says that U.S. President George W. Bush has agreed to try to convene talks later in 2007 to develop a global goal for emissions reductions, but he has not imposed any time frame or target for the U.S. Senate majority leader Harry Reid and Speaker of the House Nancy Pelosi are dealing with issues of fuel economy separately from other environmental issues.