The provided video is very much interesting and unique. I seriously did not have knowledge that cows can play an important role in this global warming issue. I think we should give it a concern before buying anything. It is a fact the making environmental change is difficult. However, if we take a little step to change the environment then I think we will be successful environment should be the concern for everyone. The one area of environmental action that requires immediate attention is global warming. The temperature is growing high constantly.