Humans often consider how to help the environment by modifying our own behavior. There are other creatures related to our own habits to consider. Cows that provide milk, beef and leather for us also generate a lot of methane. Could Less Gassy Livestock Be A Cash Cow? looks at facts and problem solving ideas for cows load on our environment. Read the very last section of this article on page two titled Cow Backpacks for details on the fascinating idea from Argentina in this picture that is both generating energy and curbing global climate change.