I'm not wrong in saying we only have recordings over the last century. The precision with which we measure things is a recent occurrence, and any recordings before the last century are done through ice cores, layers of the Earth, etc etc which show trends over periods of time. They do not show data for every single day, for every single area of the planet.

Also, you shouldn't bring the words "common sense" into a broad assumption argument like global warming. As I mentioned earlier, correlation is not causation. Nothing is ever as simple as human industry causing global warming. It my in fact be, and more than likely is, a series of events, several of which we are the source of, some not, that are triggering a climate shift in the planet.

And even if we curb our part, the other sun-related, or changes in the earth's core parts may "doom" us anyway. So it is never as simple as "common sense" dictates that this or this is the answer.