Major climate legislation will become law in 2010, Speaker Nancy Pelosi (D-Calif.) pledged today.

"I want to remove all doubt," she said in an interview with CNN from Copenhagen. "This bill will get through the United States Senate and it will pass the Congress and it will be signed by the president in this Congress, which means during the year 2010."

The legislation passed the House narrowly but has so far stalled in the Senate as the upper chamber works frantically on healthcare.

Watch the video clip here.