About: http://webisa.webdatacommons.org/171648942

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	(Photo courtesy of World Health Organization) An estimated 3 billion people use biofuels, such as dung, brush and wood, as their main sources of energy for cooking and heating.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov