Wing Mei Wong is an environmental officer currently working at the Environmental Protection Department of the HKSAR Government (EPD). She loves the beautiful landscape and enjoys delicious food. She believe everyone should take action to conserve these valuable treasures given by nature. She studied bachelor of science in chemical technology as her bachelor degree program. Her final year project is about the PM2.5 analytic method which is a hot topic at that time. Afterwards, she worked at commercial laboratories and then joined EPD in 2017. To keep up with the latest technology, she continued her study and graduated from master of science in environmental management and engineering 4 years ago. Technology changes fast. LiDAR is developed to observe air pollutants under wind environments. Wing Mei is keen to attend the workshop and know more about it.