In "Nine Challenges of Alternative Energy", David Fridley argues that the growing cost of and demand for energy, along with the growing concerns of the global climate, leaves us facing, not just a need to explore alternative energy options, but also a myriad of ethical concerns. What are Fridley's core reasons for concern, and what solutions does he offer his readers? Do you find his solutions singly or collectively persuasive? If so, please explain exactly why. If not, please explain exactly why not.