The wikipedia chart covers 450 thousand years on the x-axis, and a 14 degree range on the y-axis. Your chart covers 12 thousand years on x and 2 degrees on y. If your chart was shrunk to the same scale and overlaid on the first chart, it would be lost in the noise, and your <i>astounding</i> gradient would be nothing compared to the rises and falls 20K and 140K years ago, among others.<p>Very disingenuous of you.