[thackney]

said that their "most credible models"

Not "their" most credible", she said "required under most credible climate change models". Why change her words? She gave no qualifiers as you imply.

[SolidWood]

It was in the middle of the paragraph where she talked about the position of those who believe the notion. She begins it with "Many believe that", and then makes the case that even they should support non-green energies, as she does.