There was climate change.
There is climate change.
And there will be climate change.
This peer-reviewed study produced the adjacent charts for the regional area of the American Southwest.
Although the study was primarily about climate modeling for future climate variability, it was focused on the severe climate variation of the Little Ice Age (LIA).
The charts provide ample factual proof, along with the study's own premise, that our modern climate change is not unprecedented.
Whether it be drought conditions or temperature extremes, the past climate was anything but stable.
Note that the bottom chart shows the modern recent warming (RW) finally returning to the levels of around 1000AD and the extended Medieval Climate Anomaly (MCA) period.
Simply stated: facts don't lie, and there is nothing humans can do to stop natural climate change; and, the extremes it produces without any help from CO2.
Additional historical charts.