The environment friendly banking in others words green banking is a new concept in our country. To speak, it is an innovation of Bangladesh Bank. But it is an older and very much popular issue in the western world. However, from Corporate Social Responsibilities (CSR), Agrani Bank Limited has introduced environment friendly in house and out house green banking. The bank has already introduced a credit line for green financing to the sectors like solar energy, bio-gas plant and effluent treatment plant.