Assertion: methane | /r/HasAspect | direct effects
Facets:
value: on the climate
type: TRANSITIVE-OBJECT
value: on the biosphere
type: LOCATION
Source sentences:
text: The first survey in 1971 on the possibility of inadvertent human modification of climate stated that "Methane has no direct effects on the climate or the biosphere [and] it is considered to be of no importance".