The annual awards ceremony focused on water pollution, the report said, after a series of serious water pollution incidents this year.
Wang Yongchen founded the NGO Green Earth Volunteers in 1996 and is a reporter for China National Radio.
Zhang Yimou had followed "eco-friendly rules during movie shooting," as well as "highlighting green issues as the chief director for the opening and closing ceremonies of the Olympic Games in 2008," the report added.
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