The second session about ECOLOGY continues the topic of ECOLOGY OF DESIGN. The topics range from the interaction of architecture and ritual ethic culture and environment in the countryside, consideration of the architectural materials for long-term use, the classic philosophy idea of “ cosmic and human unity“ effect on the urban planning around the world, existing vegetation made a vital influence on the urban green space in the view of urban renewal, address the climates changes and utilize recycled materials to design for animals and build an ecological circulation, construct the ecology of PLAT ASIA, a historical clue of ECOLOGY. The second session speakers are Shang Anqi, Wang Haiyu, Chu Jianwei, Wang Xiaochun, Xu Huize, Zhao Bingxin, and JUNG Donghyun. During the discussion round, the detailed solution about design and construction attracts more attention. With different tourism and hospitality projects and urban renewal projects, PLAT ASIA continues pushing the boundaries of design and ECOLOGY.