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Within 6 years, 74 Chinese cities that joined the initial introduction of PM 2.5 monitoring saw a drop in the average PM2.5 concentration by 41.7 percent. The #UNEP report says that #Beijing air improvement provides a model for other cities.https://bit.ly/2EvWOux
We have only one earth. It is an urgent action to protect ecology and animals. It is the responsibility of everyone. To protect nature is to protect our future.
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