On Our Radar: China's Air Pollution Efforts to reduce air pollution in Beijing during the 2008 Olympic Games yielded immediate benefits for cardiovascular health, researchers report. The American consulate in Shanghai begins issuing its own air quality readings, reporting that particulates are significantly worse than government statistics indicate. The Standard Chesapeake Energy's stock price falls after Standard & Poor's downgrades its credit rating in response to the company's quest for a $4 billion loan rescue. The natural gas company is suffering from revelations about its business practices and its chief executive's financial dealings. Time After a yearslong battle, Colorado's largest water utility and two counties reach an accord intended to balance the Denver area's demand for water with the needs of mountain communities.