About: http://webisa.webdatacommons.org/114630535

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Carbon dioxide is an important greenhouse gas, and each year U.S. coal plants emit 2 billion tons of it into the atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom	watchknowlearn.org