Since the beginning of the 21st century, coal has been on a significant decline as a source of plentiful and inexpensive electrical power generation. With the advent of cheaper renewable energy and efficient natural gas generators, coal is no longer the dominant source in Europe, North America, and Russia. <ref> http://www.energy-uk.org.uk/energy-industry/electricity-generation.</ref> <ref>html https://www.eia.gov/electricity/annual/html/epa_08_04.html </ref><ref>https://www.eia.gov/tools/faqs/faq.php?id=427&t=3</ref> <ref>http://www.electricity.ca/media/pdfs/EnvironmentallyPreferrablePower/2-powergenerationincanada.pdf</ref> <ref>http://ec.europa.eu/eurostat/statistics-explained/index.php/File:Gross-electricity-production-by-fuel-GWh-EU28-2014-TABLE.png</ref> <ref>https://www.bloomberg.com/news/articles/2017-04-19/europe-s-coal-power-is-disappearing-quicker-than-anyone-thought </ref> <ref> http://factsanddetails.com/russia/Education_Health_Transportation_Energy/sub9_6c/entry-5153.html</ref> | Since the beginning of the 21st century, coal has been on a significant decline as a source of plentiful and inexpensive electrical power generation. With the advent of cheaper renewable energy and efficient natural gas generators, coal is no longer the dominant source in Europe, North America, and Russia. <ref> http://www.energy-uk.org.uk/energy-industry/electricity-generation.</ref> <ref>html https://www.eia.gov/electricity/annual/html/epa_08_04.html </ref><ref>https://www.eia.gov/tools/faqs/faq.php?id=427&t=3</ref> <ref>http://www.electricity.ca/media/pdfs/EnvironmentallyPreferrablePower/2-powergenerationincanada.pdf</ref> <ref>http://ec.europa.eu/eurostat/statistics-explained/index.php/File:Gross-electricity-production-by-fuel-GWh-EU28-2014-TABLE.png</ref> <ref>https://www.bloomberg.com/news/articles/2017-04-19/europe-s-coal-power-is-disappearing-quicker-than-anyone-thought </ref> <ref> http://factsanddetails.com/russia/Education_Health_Transportation_Energy/sub9_6c/entry-5153.html</ref> |