So where does climate misinformation come from?
And who is behind it?
The Institute for Strategic Dialogue ISD has seen other tactics designed to undermine climate action, like claims that moving away from fossil fuels will make poor people poorer.
There's a difference, she says, between pointing out hypocrisy and trying to undermine activists with underhand tactics.
Facebook, Twitter and YouTube owners Google were asked for this report about what they are doing about climate misinformation.
All said they take it seriously and have policies in place to limit its spread.
But many of those fighting climate change misinformation say they're not doing nearly enough - and some claim big oil companies are responsible for spreading misinformation.
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