The data were produced by the nationwide phone survey carried out by the National Centre for Social Research (EKKE) during November-December 2020. The survey was conducted on a representative sample of the Greek population aged 18-65 years old , using structured questionnaire. It was aimed at identifying the views and attitudes of the Greek citizens regarding the climate change and its impacts. 1201 phone interviews were conducted with Greek residents. The response rate was 24,5%. Open-access data will be available until December 2022.