Waste separation bins management; second-generation BioNTech vaccine; World Cup 2022
b'8:30am-9:15am: waste separation bins\\n\\n8:30am-9:15am: Chung Shan-shan, Director of the Master of Science in Environmental & Pub-lic Health Management Programme, Hong Kong Baptist University\\n\\n8:30am-9:00am: Edwin Lau, Founder and Executive Director of Gr...'