RedOrbit: Scientists from across the globe are joining forces to track the carbon footprints of some of the worlds largest cities, hoping to determine whether or not emissions standards in various regions are being met.
According to Associated Press (AP) reporter Alicia Chang, the efforts are being focused on cities like Paris and Los Angeles, which are home to more than 10 million residents.
In recent years, she said, these metropolises have become more and more responsible for man-made global warming....