As the head of Voiz sustainable development head of China, Keyi introduced the concept of circular economy and “greenwash”, revealing various environmental issues in the contemporary world. By showcasing her own experience at Voiz, Keyi also vividly presented her view of sustainable development and educated the audience about how everyone can be part of that future. As a student of the University of Cambridge majoring in Land Economy, she is currently the head of Voiz Sustainable Development China and the vice president of the Cambridge Consulting Society. She also founded the Cambridge Science and Technology Innovation Society and the Cambridge Business Society. She has a diversified professional background, covering economy, environment, finance, law and other dimensions. Meanwhile, she also has a wide variety of interests -- community welfare, hiking, and urban construction. She also stood out from more than 2,000 competitors and got the internship opportunity at the Bank of England in her freshman year. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx