Assertion: global warming | /r/HasProperty | increase
Facets:
value: in global average temperatures
type: OTHER
value: since the preindustrial age
type: TEMPORAL
value: over time
type: TEMPORAL
Source sentences:
text: Global warming is an increase in the average temperature of the earth's surface over time.
text: Global warming is the rise in average global surface temperature caused primarily by the build-up of human-produced greenhouses gases, mostly carbon dioxide and methane, which trap heat in the lower levels of the atmosphere.
text: Global warming is the increase in the average temperature of the world's atmosphere and oceans since the preindustrial age.
text: But global warming is an increase in global average temperatures.