Assertion: global warming | /r/CapableOf | release potent greenhouse gas
Facets:
value: in a positive feedback cycle
type: TEMPORAL
Source sentences:
text: Additionally, the global warming induced thawing of the permafrost, which stores about two times the amount of the carbon currently released in the atmosphere, releases the potent greenhouse gas, methane, in a positive feedback cycle that is feared to lead to a tipping point called runaway climate change.