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28 March 2026｜ 2026 MIECF ｜ The Venetian Macao, Cotai Expo The first Greater Bay Area "Chief Circular Officer" Youth Sustainable Innovation Competition took place in March at the Green Exchange Zone, Hall A, Cotai Expo, The Venetian Macao, during the Macao International Environmental Co-operation Forum and Exhibition (MIECF). Teams from Mainland China, Hong Kong, and Macao competed in Open and Secondary School categories, marking the region's inaugural youth competition focus