Smoke rise from chimneys at a steel and iron plant in Zhongyang county, Shanxi province November 10, 2009. The United States hopes to reach sn agreement with China during President Barack Obama's visit on how to record and monitor countries' efforts to fight global warming, a top State Department official said. Obama told Reuters in an interview on Monday that Washington and Beijing needed to work together on the big issues facing the globe, and that climate change would be a key part of his Nov. 15-18 trip to Shanghai and Beijing. Picture taken November 10, 2009. REUTERS/Stringer (CHINA ENVIRONMENT) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA
REUTERS/STRINGER SHANGHAI