There's some recent discussion here: http://science.sciencemag.org/content/360/6393/1080.2

I don't know if the citations therein are cherry-picked, but oddly enough it seemed like mostly what you might call "public intellectuals" on the "it's not so bad" side and lower-profile ordinary lab/field scientists on the "doom and gloom" side - a bit of a reversal from the usual trope