Eco Cities (EC, eISSN: 2810-9813) is an Open Access journal that provides a forum for studies in the field of urban ecology and sustainability. Submitted manuscripts will go through a rigorous double-blind peer-reviewed process. Eco-city is a social, economic, cultural, and natural composite ecosystem with a high level of synergy and harmony, which has the function of material recycling, social harmony, and synergy between humans and nature. EC aims to respond and adapt to the newest developments in scholarly publishing and, at the same time, addresses highly relevant scientific and societal topics. This journal makes research outputs publicly available and allows for different types of articles, including original research articles, review articles, book reviews, editorials, communications, perspectives, brief reports, etc.