claim: While transient weather variability is playing a key role here, the widespread record warmth across the U.S. so far this year is part of a long-term trend toward more warm temperature records versus cold ones.
evidences.evidence_id: Global warming:276
evidences.article: Global warming
evidences.evidence: In the scientific literature, there is an overwhelming consensus that global surface temperatures have increased in recent decades and that the trend is caused mainly by human-induced emissions of greenhouse gases.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Global warming:39
evidences.article: Global warming
evidences.evidence: While record-breaking years attract considerable public interest, individual years are less significant than the overall trend.
evidences.votes: REFUTES NOT_ENOUGH_INFO
evidences.evidence_id: Global warming:40
evidences.article: Global warming
evidences.evidence: Global surface temperature is subject to short-term fluctuations that overlie long-term trends, and can temporarily mask or magnify them.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Instrumental temperature record:30
evidences.article: Instrumental temperature record
evidences.evidence: This long-term trend is the main cause for the record warmth of 2015 and 2016, surpassing all previous years—even ones with strong El Niño events."
evidences.votes: REFUTES SUPPORTS
evidences.evidence_id: Little Ice Age:162
evidences.article: Little Ice Age
evidences.evidence: Orbital forcing from cycles in the earth's orbit around the sun has, for the past 2,000 years, caused a long-term northern hemisphere cooling trend that continued through the Middle Ages and the Little Ice Age.
evidences.votes: REFUTES NOT_ENOUGH_INFO