Mark D. LEVINE

In the background at the 30th anniversary celebrations in the National Stadium in 1979 are oil derricks and a dragon with oil flowing from its mouth, showing how increased oil production was central to the goal of modernizing China by the year 2000. PHOTO BY JOAN LEBOLD COHEN.
Cooperation between China and the United States, the world’s two largest emitters of carbon dioxide, to limit emissions and pursue alternative energy