Assertion: methane | /r/CapableOf | contribute radiative forcing of 0.48 ±
Facets:
value: as of 2011
type: TEMPORAL
Source sentences:
text: As of 2011, methane contributed radiative forcing of 0.48 ± 0.05 Wm−2 , or about 17% of the total radiative forcing from all of the long-lived and globally mixed greenhouse gases.[page needed]