Jason,
I think you misunderstand me: our climate has changed many times in the past; long before humans were here. This time however, it is being caused by us humans; or at least we are having a large effect -- and this time is the only time we need to worry about, because we are being affected by it. There is no contradiction.
The
Piltdown Man is case and point about how the scientific process works -- fakes are exposed, and good science is accepted. There were skeptics then, and they did the science to prove the fake. None of the skeptics of anthropogenic climate change can show scientifically that it is anything but real.
Anthropogenic global climate change is good science, and the threats are very real. The risk is very high. It is difficult, and it is a big challenge.
Whether or not you feel that global climate change is real, or if it is anthropogenic, or that it is a threat at all, I hope you can watch this video; that lays out the four basic logic and risks of if GCC is real or not, and if we do anything about it or not: