The Global Youth Science and Technology Bowl (GYSTB) is an online competition based out of Hong Kong which encompasses biology, chemistry, engineering, and physics. The competition is a showcase of global youth scientific achievement and innovation, which aims to promote science and technology, provide a platform for global youth to develop their creativity and scientific mindsets, and facilitate the exchange of scientific ideas, interests, and abilities among young scientists all over the world. Young researchers worldwide compete with their research reports and prototypes. GYSTB is organized annually by The Hong Kong Federation of Youth Groups, and well supported by the academia in Hong Kong. This year, the competition received 125 teams of enrollment from 27 countries and regions including but not limited to the United States, Ireland, Sweden, South Korea, and Singapore. We extend our thanks to all parties for making this year's competition a success. STEM Fellowship collaborated with the GYSTB Secretariat to provide youth worldwide with the unique opportunity to submit their work in the STEM Fellowship Journal. This year's theme was "Sustainable Development". The broad scope of the competition allowed participants to submit their work in a variety of areas such as water pollution, food supply, medical health, energy harvest, artificial intelligence systems, environmental health, plastics, and many more. We are pleased to share the creativity and ambitious drive for research demonstrated by GYSTB's participants in these proceedings. We would like to congratulate every passionate individual who participated in the GYSTB this year and showcase their abstracts below.