As a highly developed city, it is surprising to find that proper waste management behavior has not yet been well-established in Hong Kong. In order to investigate the causes of this phenomenon, a study with a sample size of 1,001 was conducted. It has been found that most of the respondents were willing to participate in waste separation at the source, and the majority of them to separate waste were because of environmental protection reason, which contradicts the phenomenon seen in the landfill. The gap between the finding of the study and reality may be due to the fact that the respondents interviewed in this study were relatively young (mean age = 28.63), and most of them were students (60.2%). Therefore, the sample size may not be reflective of all Tuen Mun residents. However, it is encouraging to find that proper waste management behavior has been widely established among the younger generations in Tuen Mun. This study found that sex, age, occupation, situational responsibility, and accessibility to recycling facilities all play a significant role in causing pro-environmental behavior. This study also revealed that mass media, both print and digital, was widely perceived by the public as the most effective channel to promote proper waste management behavior.本研究是希望了解屯門區居民對廢物管理意識，研究調查在區內各屋邨和學校進行，1001 名市民接受訪問，超過九成為區內居民，超過六成受訪者為學生及家庭主婦。結果顯示，七成受訪者都知道屋邨內的廢物管理設施位置所在，當中有超過八成認為設施方便使用，但有三分之一的受訪者覺得設施並不足夠。近八成受訪者曾作家居廢物回收，其主要原因為保護環境資源、清潔家居雜物、減輕堆填區的壓力等。至於沒有作回收的主要原因是家中沒有足夠空間儲存廢物、回收分類費時和麻煩等。其次，本研究亦了解受訪者對環境的價值觀及他們的環保行為。他們都關心環境問題並認同廢物管理的重要性；環保行為則以使用循環再用產品。環保宣傳方面，他們認為電視媒體、報紙等最為有效，而環境意識影響他們的行為，主要是來自家人、朋友、公眾人物。總結以上結果，我們建議在屋邨增加更多大型回收設施。強化行為可以公眾人物作宣導環保意識入手，本研究主要受訪者為學生，而家人、老師及朋友的影響最為直接，故此，政府有關部門、機構或學校可考慮以三者為目標，舉行一些讓他們一起參加的環保活動。
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