This Friday, June 5, is World Environment Day. This year, China's theme is "Comprehensive Green Transition, Building a Beautiful China Together." Check out these posters to see how China is working to build a greener, cleaner world.

(Produced by Sun Tianren, Liang Xiaojian, Zhu Yurou, Xu Zheqi, Li Mingzhi, Chu Chu, Zou Yun and intern Yang Sihan)