"U.S. lawmakers were set on Tuesday to begin wrangling over a climate change bill aimed at reducing carbon dioxide and other pollutants with Republicans objecting that the legislation would burden the economy with higher energy costs.

The House Energy and Commerce Committee was digging in for several days of arduous debate over the Democrats' 932-page bill. Chairman Henry Waxman has predicted his panel will have enough Democratic support for approval this week."

Richard Cowan reports for Reuters May 19, 2009. [2]