Washington, July 29, SPA -- The United States and China on Tuesday agreed to work together to stabilize the world economy and explore ways to cooperate on climate change as the global powers concluded two days of talks in Washington. The dialogue focused mainly on recovering from the economic downturn but included a broad array of topics from global warming to nuclear proliferation and terrorism, according to a report of the German News Agency "DPA". "I came away from the last two days even more convinced than when we started, that an open relationship ... is in the best interest of both our countries and the world," US Secretary of State HillaryRodham Clinton said. Chinese State Councilor Dai Bingguo called the talks"unprecedented" in the four decades since the United States and thePeople's Republic of China established formal relations.--SPA www.spa.gov.sa/688549