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Yao Tandong of the Chinese Academy of Sciences receives an interview with Xinhua during a session of the United Nations Science, Policy, and Business Forum on the Environment in Nairobi, Kenya, March 10, 2019. (Xinhua/Zhang Yu)
 
 
Yao Tandong of the Chinese Academy of Sciences receives an interview with Xinhua during a session of the United Nations Science, Policy, and Business Forum on the Environment in Nairobi, Kenya, March 10, 2019. (Xinhua/Zhang Yu)