Through her books, she expresses her interest in the environment and its variety of species. In 2017, she was selected as a member of the Antarctic Expedition team and visited the Korean scientific research station and the Antarctic Protected Area. This experience gave rise to the book  Night show of Migratory Birds , jBirds which reflects on climate change. She say, during our existence on Earth, we all come into contact with other living beings and affect each other. If one species disappears, other species that are connected to it disappear. And, finally, in a chain reaction, humans will also be affected.

The story One Berry  talks about diversity of life and losing the diversity. Hyun-Jeong Jeon wrote it with a motif from an article on possible extinction of bananas. It conveys a message where human’s self-centeredness in wishing to eat only what is tasty leads to selection and mass production of a single species. The species would soon lose its inherent immunity and end up becoming extinct. Read the whole story here.