In 2014, he testified to a U.S. Senate committeethat there is "no scientific proof" that humans are driving the global warming.
Ngo-2014, uMorey wafakaza ekomitini Lezigele laseMelika ukuthi abukho ubufakazi besayensi bokuthi imisebenzi yabantu ibangela ukufudumala kwembulunga yonke.