There was no change in the percentage of people who chose ‘to limit the effects of climate change’ as their primary reason for 4 of behaviours compared with the previous year:
Nid oedd unrhyw newid yng nghanran y bobl a ddewisodd ‘cyfyngu ar effeithiau newid hinsawdd’ fel eu prif reswm dros bedwar o ymddygiadau o gymharu â'r flwyddyn flaenorol: