All scientists that I know (including the physicists) disagree with Lubos. This includes former skeptic, Richard Muller. As Aaronson suggests, the physicists that you know should publish their papers.
Physicist here. This is not my field, but I know lots of physicists and I am not aware of a single one who is a climate skeptic. I'm curious what population of physicists has such contrasting opinions. Geophysicists at oil companies perhaps?