This chapter examines the environmental impacts of tourism and the importance of adopting sustainable practices to protect natural resources. It discusses issues such as pollution, biodiversity loss, and resource overuse, emphasizing the concept of environmental carrying capacity. The chapter introduces ecotourism as a key approach to environmentally responsible travel. It also explores the relationship between tourism and climate change, including mitigation and adaptation strategies. Sustainable resource management practices related to water, energy, and waste are highlighted. Case studies illustrate how destinations can minimize environmental impacts through planning and innovation. The chapter underscores the need to balance tourism development with ecological sustainability