BBC: Three quarters of people questioned in a survey believe climate change is due to human behaviour.
BBC Wales commissioned the survey on public attitudes to climate change, as part of the Green Wales season of programmes.
The results, from a sample of just over 1,000 people, show that people feel concerned - with 90% believing that the climate is changing.
The poll was commissioned ahead of the Copenhagen climate summit, which will start in Denmark on 7 December.
Some 60 world leaders from...