Factors and Impact of Green Building Rating Program

A green building rating system is a tool that evaluates the performance of a building and its impact on environment .It comprises a predefined set of criteria relating to the design, construction, and operations of green building. The purpose of this research is to expand knowledge about the usefulness of green building rating. This green building rating program originally began as an assessment of LEED (leadership in energy and efficient design).This research revealed that while there is growing environmental concern among specialists in the energy design .In this paper will study some journals about the green building from different areas. Also will find out the scope of green building in future.