Proof that CO2 causes hurricanes?: Over seven years after Katrina, another major hurricane almost struck the U.S.; back when CO2 was "safe" in 1933, only two major hurricanes hit the U.S. in a week

1933 : US Hit By Two Major Hurricanes In A Week | Real Science

It has been more than seven years since a major hurricane struck the US, the longest such period since the Civil War.

In 1933, the US was hit by two major hurricanes a week apart. CO2 was well below Hansen’s safe level of 350 PPM at the time.