There was no CO2 surplus, no SUVs, no heating, and yet disasters happened.
Between the Spanish Conquest (around 1230) and 1919 Valencia was devastated 28 times
by floods.
Here in the picture, the flood that occurred on October 14, 1957, caused by a significant flood from the Turia River. More than 80 people lost their lives in the city, located at the mouth of the river.