source of energy

Using any source of energy, discuss in 500 words, the following aspects:

1.       Accessibility in the United States
2.       Initial and long-term costs
3.       Pros and cons of use
4.       Impact on the environment

Also, what advice would you give, if asked by the U.S. President, on the following question: How can the U.S. be fully self-sufficient in terms of energy needs (i.e., zero imports)?

ALWAYS cite your sources in MLA or APA format.