The document discusses the economic, socio-cultural, and environmental impacts of tourism. It outlines both the positive and negative impacts of each category. The economic impacts section examines concepts like the multiplier effect and how tourist spending circulates in an economy. The socio-cultural impacts section explores topics such as cultural exchange and modification of local lifestyle. The environmental impacts portion analyzes effects on habitat and ways tourism can contribute to pollution. The document also suggests responses to mitigate the negative impacts of tourism.