This modern world is moving fast with new innovative technologies, equipment and incredible progress in all areas. However; its impacts have made it inevitable to think about the environment and its degradation which can lead to devastation of our green earth. This thought emerged in terms of green movement across the globe. The scientists and researchers developed technologies/ equipment that can assure least damage to the environment or on the other hand can be environment friendly. These technologies are referred as 'green technologies'. Now, we are moving one step ahead with the clean technology. Don't you heard about clean technology?