- Total prize money of 690 million KRW - Seoul, the capital city of South Korea, which has proven itself to be a medical giant through the COVID-19 pandemic, has launched a global urban problem-solving project - Seoul is openly recruiting innovative technologies and ideas for 'reduction of particulate matters and improvement of air quality in subways' from innovators around the world Seoul, Korea - Seoul Metropolitan Government and the Seoul Business Agency (SBA, CEO Jang Young-seung), an institution that supports small and medium-sized companies in Seoul, are looking for global innovators to solve the particulate matters in subways of Seoul. Seoul Metropolitan Government has chosen 'Reduction of Particulate Matters and Improvement of Air Quality in Subways,' an issue that requires urgent attention, as the topic for the Seoul Global Challenge 2021. About 7.2 million people use the Seoul subway system every day, but the subways face challenges with air quality control. Seoul Metropolitan Government hopes that innovative technologies and research from Korea and the wider world will help solve this problem. Innovators of any nationality with technology and ideas related to reducing pa...