Replacing fossil fuel by nuclear fuel more clean power will be produced and greenhouse effect which is an environment threat is to be decreased the comparison between fossil fuel and nuclear fuel can reveal the clean power claim. Fuel packaging, preparation& designing must be completed. Final removals of high- level radioactive wastes are accomplished which require more time for continue and serious working, selecting the final site of burial is important. The obstacles in this area are Concerns about spread and production of nuclear waste and Threats of environment contamination due to...