Associated Press: A new U.S. call for curbing greenhouse gas emissions shook up climate talks Thursday in Paris among the world’s biggest polluters, with some envoys welcoming the gesture and others calling it too little, too late. U.S. President George W. Bush said the United States must stop the growth in its emissions of greenhouse gases by 2025, acknowledging the need to head off serious climate change. His White House address Wednesday marked the first time he had set a specific target date …