Besides writing documentary books on ecology, Hsu began a five-year stint in 1989 as a summer vacation docent in Kenting National Park. Following this he pulled together like-minded people and in June 1995, established the Society of Wilderness, carrying out wilderness protection work, habitat conservation, nature education for children and community activities.
除了生態紀錄書寫外，他從 1989 年開始，連續 5 年在墾丁訓練暑期解說員，接著結合社會有心人士，於 1995 年 6 月成立「荒野保護協會」，進行荒野守護、棲地保育、兒童自然教育、社區生根等工作。