Skeptical Science is a great source for information about climate change. One of the coolest things they’ve got over there is a moving GIF demonstrating how the folks in the climate science denialism industry try to convince people that global warming isn’t real. This involves cherry picking data to show small segments of time with either flat lines (no warming) or decreasing lines (cooling), and ignoring that the longer term pattern is one of a distinct increase.
Here’s the graphic:
For more information about this graphic, and other great stuff, check out the Skeptical Science web page.