Voice of America: US Capitol, Washington DCA key U.S. congressional panel has approved a landmark bill aimed at combating climate change, days after Democratic lawmakers reached a compromise on the measure. The House Energy and Commerce Committee approved the bill Thursday by a 33-25 vote, split largely along party lines, with Democrats supporting and Republicans opposing. A key part of the bill calls for a so-called cap-and-trade system that would allow businesses to buy permits to emit …