Assertion: methane | /r/HasProperty | vented into the atmosphere
Facets:
value: from coal mines
type: LOCATION
value: often
type: TEMPORAL
value: from oil wells
type: LOCATION
Source sentences:
text: Oil and coal production also release methane—often vented into the atmosphere from coal mines and oil wells.
text: They obtained this number by taking the highest known number for a conventional well, 6%, and adding to it an additional 1.9% that would occur if the methane produced during the flowback period were vented to the atmosphere rather than flared (burned).
text: Oil and coal production also release methane—often vented into the atmosphere from coal mines and oil wells.