Stephen Chu is in China, the world's top emitter of the greenhouse gases that cause global warming, to urge greater Sino-American cooperation to combat the problem.
正在中国访问的朱棣文敦促美中两国合作防范全球气候变暖。
Stephen Chu is in China, the world's top emitter of the greenhouse gases that cause global warming, to urge greater Sino-American cooperation to combat the problem.
正在中国访问的朱棣文敦促美中两国合作防范全球气候变暖。
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