The "Eco-Innovation · Green Action" International Young Talent Innovation Competition & Eco-City "Innovation Star" Competition (2024 International Youth Green Innovation Competition) is jointly presented by the China-Singapore Tianin Eco-City Administrative Committee (ECAC) and the Sino-Singapore Tianiin Eco-City Investment and Development Co.,Ltd.(SSTEC) as the public welfare innovation and entrepreneurship event. It was formerly known as the National Varsity "Eco-Innovation · Green Action" Competition, and has been organised annually by SSTEC since 2011. The Competition encourages youth innovation and entrepreneurship in environmental protection and smart development, and uncover more green, innovative & practical solutions for development of eco-cities. To support the Eco-City's vision to become an Upgraded National Green Development Demonstration Zone, the Competition also seeks to attract more quality projects and excellent talents from home and abroad, and inject greater vibrancy into the Eco-City. As of 2023, the Competition has been held for 12 consecutive editions, which has received 1,344 innovative and implementable entries from 446 participants (enterprises, universities, teams and individuals) from 99 cities in China and other countries. 2024 International Youth Green Innovation Competition has been launched in April 2024.

The Competition shows support for China’s national campaign to promote entrepreneurship and innovation, while also being well-aligned with the Eco-City's positioning as China's "National Green Development Demonstration Zone". It also heeds China's call to decarbonise to achieve its "carbon peaking and carbon neutrality" goals, which complementing the focus areas in the green development of the Eco-City. The Competition also embodies ECAC and SSTEC’s continued efforts to be socially responsible, and showcases the Eco-City's achievements as a pioneer in eco-city development and as a sustainability advocate and practitioner.