This document discusses the concept of ecotourism. It begins with defining tourism and listing different types of tourism in India. Ecotourism is defined as responsible travel to natural areas that conserves the environment and improves local well-being. The history and principles of ecotourism are outlined. Major ecotourism destinations in India and abroad are listed, including Kerala, the Himalayas, Andaman and Nicobar Islands, Costa Rica, and Kenya. A case study of Thenmala Eco Tourism in Kerala is provided. Challenges of ecotourism include environmental degradation and lack of local benefits. Solutions involve community participation, limiting visitors, and efficient coordination between governing bodies.