Lazard levelized cost of energy analysis is useful for looking at how different energy sources compete with each other economically.
https://www.lazard.com/perspective/levelized-cost-of-energy-2017/
National Climatic Data Center (NCDC) –www.ncdc.noaa.gov
National Center for Atmospheric Research (NCAR) - https://climatedataguide.ucar.edu/
The Union of Concerned Scientists is a good place to start with research-based topic overviews. Click on “Our Work” for coverage of: clean energy, clean vehicles, food and agriculture, nuclear power, nuclear weapons. https://www.ucsusa.org/
US Energy Information Administration is a good place to go for energy usage statistics and recent trends. https://www.eia.gov/
Worldbank - http://data.worldbank.org/climate-change