If you would like to learn more about coal, click on the links, and read!
http://www.need.org/files/curriculum/infobook/CoalI.pdf
This file talks about, what coal is, how it is used, and how it affects the environment.
https://csis-prod.s3.amazonaws.com/s3fs-public/legacy_files/files/publication/150910_Energy_101_Coal_101.pdf
This will tell you about the issues that come with using coal, and how it could affect the climate.
https://www.energy.gov/sites/prod/files/2013/04/f0/MS_Coal_Studyguide_draft1.pdf
http://www.rff.org/files/sharepoint/WorkImages/Download/RFF_Resources_156_coal.pdf
https://www.nationalcoalcouncil.org/Documents/Energy-Education/4-Coal-Reliable-Energy-Final.pdf
Read our document about coal!
file:///home/chronos/u-f425b772c61cb55afc8935fce35775f63bf29069/Downloads/coaldoc.pdf