30th Youth Conference of Caretakers of the Environment International:

http://www.plklfc.edu.hk/index.php?option=com_content&;;view=article&id=314&Itemid=295&lang=en

Review

https://www.youtube.com/watch?v=b6yuQ_6_MNc

Cultural Performance

https://youtu.be/IeslbXnMRw8

Presentations

NO2 & O3: https://youtu.be/xDeW0yjznj8
Black carbon & FSP: https://youtu.be/4dwdVOGYXHs
Visibility: https://youtu.be/3EQUnlw4Lfw