City Open Innovation Calls23. December 2020Next open innovation call: 2021 China Circular City The objective is to encourage new solutions for designing out waste and pollution, keeping products and materials in use, and regenerating natural systems in Chinese cities.Read more https://www.challengebridge.dk/wp-content/uploads/2020/09/callenge.png 384 688 admin https://www.challengebridge.dk/wp-content/uploads/2020/12/challenge-bridge-logo-300x124.png admin2020-12-23 05:50:502021-01-13 11:00:43City Open Innovation Calls