claim: ’Extremely remarkable’ 2017 heads toward record for hottest year without an El Nino episode.
evidence: Of the 2015 and 2016 records, Schmidt stated that the 2014–16 El Nino event was a factor ... but both 2015 and 2016 would have been records even without it; he attributed about 90% of the warming in 2016 to anthropogenic climate change.