Assertion: methane | /r/HasProperty | trapped in ice
Facets:
Source sentences:
text: It is not all bad news - one way to free the methane trapped in ice is pumping in CO2 to replace it, which could provide an answer to the as yet unsolved question of how to store this greenhouse gas safely.
text: Needless to say, the methane trapped in the ice and the underlying saltwater is along for the ride.
text: As global temperatures rise, warming oceans and melting permafrost, the enormous reserves of methane trapped in ice may be released naturally.