This document discusses green buildings and their benefits. It defines green buildings as those that use energy, water, and resources efficiently to reduce environmental impact. The key principles of green buildings are structure, energy and water efficiency, material reuse, and waste reduction. The Indian Green Building Council promotes green construction in India using rating systems to certify buildings at different sustainability levels. Examples like the Suzlon headquarters and Hyderabad airport illustrate leading green projects in India. Green buildings provide environmental, economic, and social benefits like reduced pollution, lower operating costs, and better occupant health.