Assertion: gas hydrate | /r/CapableOf | contribute to total atmospheric methane
Facets:
value: currently
type: TEMPORAL
Source sentences:
text: Although many news reports have presented this as a potential catastrophe, USGS research has determined that gas hydrates are currently contributing to total atmospheric methane and that a catastrophic melting of unstable hydrate deposits is unlikely to send large amounts of methane into the atmosphere.