HotWhopper is dedicated to exposing deceptions, disinformation and other chicanery from climate science deniers, among other things.
Or search the website and blog combined:
The charts tab has some charts showing how much the world is warming. Surface temperature, disappearing sea ice and other stuff.
To compare what's happening to what some people will try to claim, click here.
This is where you'll find a heap of links to websites with climate metrics like surface temperature, sea ice and CO2 levels; links to scientific papers old and newer; and various bits and pieces that I've collected along the way.
Last year was the hottest year on record. This year is even further ahead of the pack, so far. (The data is to August 2016.)