Associated Press: Just six weeks before a key meeting on climate change, U.N. Secretary-General Ban Ki-moon said Monday he’s hopeful the U.S. Senate will pass a significant bill to limit carbon emissions. With deep divisions in Congress on how to deal with climate change, a bill is not likely before the end of the year. However, Ban told a news conference he still thinks the U.S. can come up with an ambitious measure that will encourage other nations to act on carbon emissions. “I’m very …