Global warming

I am conducting the research of global warming. It is important to find out how much people know about this problem and how can we reduce it. Your answers will help us to find more ways to fight with this serious problem.
The poll results are public

Sex:

Age:

Education

Are you interested in various environmental problems?

Have you ever heard about global warming? (If "No" stop answering here. If "Yes"/ "A bit" continue)

Where did you hear about global warming?

What is causing global warming?

what is the most serious harm of global warming?

Is it important to stop global warming?

How can we reduce global warming?

Is it possible to stop global warming at all?

This problem is: