There are very legitimate reasons to worry about the state of the global environment. We will probably never all agree on the causes of, or solutions to, many of the problems we are currently facing. Some of us think that the government should take more action to correct issues related to climate change, while others think that the government already plays too large of a role in such matters.

In the meantime, corporations who reduce their energy and water needs -- in the U.S. and abroad -- are finding that "going green" quite often leads to a green of another kind: money. In this video, Fool.com contributor Aimee Duffy talks to Tyler Crowe about the oscillating level of government involvement, and the growing competitive advantage for companies like FirstEnergy (NYSE:FE) and Intel (NASDAQ:INTC) that are pursuing efficiency measures of their own accord.