People with qualifications at degree level or above (36%) were more likely to cite climate change as the reason for the behaviour than those who have no qualifications (13%).
Roedd pobl â chymwysterau ar lefel gradd neu uwch (36%) yn fwy tebygol o nodi newid yn yr hinsawdd fel y rheswm dros yr ymddygiad, na'r rhai heb unrhyw gymwysterau (13%).