Reuters: A delegation of U.S. lawmakers led by House of Representatives Speaker Nancy Pelosi will visit China in coming days to discuss international efforts aimed at reducing greenhouse gas emissions. Pelosi, a Democrat, said Friday that a bipartisan group of House members will be on the trip. However she did not provide details. “It is the purpose of the trip to follow up on meetings that we have had here with representatives of China’s government on the subjects of climate change and …