Unfortunately, I think it's like global warming. - it'sIt's hard for us people to imagine a scenario so extreme and so bad. Even though the numbers are clear, and all of the facts are on the table, one don'tdoesn't experience it in hishis/her daily life - so we oppresssuppress it.
The interesting thing is that researchesresearch shows that in situations like this, the most effective approach is a soft one, that showsshowing people that they can influence the situation without fearing them from thethe future.