This study adopts a mixed methodology to explore barriers in adopting green banking practices in commercial banks of Pakistan. The quantitative part includes the primary data collection while the qualitative part includes focus groups discussion. The case has been made that combining qualitative and quantitative methods in a single study can help clarify several sides of the fact under examination, offering a more holistic understanding of it, and bring about some better-suggested policies. The results reveal that factor eco-friendly environment and awareness are more influential barriers as compared to other in adoption of green banking practices. For sustaining eco safety banking every bank of Pakistan should take innovative steps. Moreover, Pakistan banks should also implement green banking practices in their daily operations and they should also elaborate the financial and social advantages of sustainable banking to important customers of commercial banks.