No, I'm repeating something I've said in the past, and it is true, since I have reviewed the papers in the past that have shown this.
This is most obviously true with Hansen's initial report to the Senate in 1988, where popular interest in the issue started, but even before that, he has a 1981 paper that, despite lots of limitations of data and understanding at the time, was pretty clear in showing this.
Evaluating a 1981 temperature projection « RealClimate
And the modeling has only improved since then, as we understand more science and our models can be more complex with greater computing abilities.