Global warming were a large problem of the world it effect every things in the world included the subject that we are learning – sustainable tourism. First global warming will effect demends of the people. Global warming will threaten to food and water offer of human. According to Maslow's Hierarchy of Needs "A Theory of Human Motivation" in psychological review. Physiological needs are the physical requirements for human survival. If these requirements are not met, the human body cannot function properly and will ultimately fail. If global warming will threaten ti food and water offer that mean if food, water, clothes etc. unable to satisfy human, the demend of traveling will decrease. Second it will effect the destination. Global temperature increase include rising sea levels and rainfall and snowfall on the amount and style changes. These changes may lead to extreme weather events more and more frequent, such as floods, droughts, heat waves, hurricanes and tornadoes. For example the iceberg of North Pole melted, or some place will be destroy by natural disaster. Seasonal destination and nature tourism will hard to operate, those effect to sustainable tourism.