This document discusses tourism and sustainable tourism. It begins by outlining the tourism sector and its rapid growth. It then discusses the tourism area life cycle model and its phases of exploration, involvement, development, consolidation, stagnation, and decline or revitalization. It also covers the economic, environmental, and socio-cultural impacts of tourism, including both positive and negative impacts. Specifically, it discusses how tourism can benefit economies through job creation, income growth, and infrastructure development, but also cause issues like seasonal unemployment and resource shortages. Environmentally, tourism can damage habitats and ecosystems through pollution, waste, and overcrowding. However, sustainable tourism aims to minimize negative impacts and maximize benefits to local environments, economies, and