I can understand their concerns. But the scientists obviously posed for the pictures, "OK, Dr. Flannery" said the photographer, "let's see you look worried.... Maybe a little more scrunch in your forehead?... A little more squint... There, that's perfect (CLICK).
It looks as fake as it is, and it also comes across as emotional manipulation. Probably we should be emotional about climate change, but come on, no one sits around all day looking worried, as if their checking account is low and the rent's past due.
Look for this to be widely mocked. I can't honestly blame anyone if they do.