This study is a basic work for conceptualizing the Korean language ability which is a key concept of Korean language education by adopting an ecological perspectives. Especially it is focusing on the “creativity” domain of Korean language ability based on the “sustainability literacy” in Ecology. It has a meaning that it opens a new way of conceptualization of Korean creativity with related study, Ecology. Concretely, the sustainability literacy’s core thesis is “emergence”. This emergence in education discourses includes “contexts, guided learning, and complex activity”. It originated from a fundamental relationship between human and environment. This study systematizes emergence to “various linguistic problems, environments with rich semiotic sources, perception and integration, guided activity, and the whole problem-solving”. And these five elements fuse with Korean creativity’s existing elements. So Korean creativity based on sustainability literacy is re-conceptualized followed below. “Korean creativity is the whole problem-solving ability with creativity thoughts responding to various language environments. This ability emerges from an integrated Korean language activity guiding to the whole problem-solving from perceiving problems in environments with rich semiotic sources.”