She said she had to see the perpetrator daily while people bullied her and accused her of lying.
"I'm cautiously optimistic that we WILL take the actions necessary to avert catastrophic warming," Mann said in an email. "However, these poll results also show that one of the greatest threats to action now isn't outright denial. ... It's hopelessness and despair and a growing sense in some communities that we have no agency in addressing this challenge."