Visit Department of Energy, Energy Explained [1].
Read Nuclear power industry revamps climate pitch for Trump era [2] (Feb 2017)
Visit Environmental Protection Agency [3]
If your ELS is located outside of the USA, please pick a zip code in the USA of interest to you for this exercise. The zip code for Penn State's main campus is 16802. That may be a good choice!
Links
[1] http://tonto.eia.doe.gov/energyexplained/
[2] http://www.sciencemag.org/news/2017/02/nuclear-power-industry-revamps-climate-pitch-trump-era
[3] http://oaspub.epa.gov/powpro/ept_pack.charts