About: http://webisa.webdatacommons.org/227655031

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	At the same time, since 1750, the concentration of greenhouse gases in the atmosphere, such as carbon dioxide and methane, has grown by 30 and 150 percent respectively as a result of human activities.
http://www.w3.org/ns/prov#wasQuotedFrom	spacedaily.com