So we'll start by going back thousands of years. Most ancient cultures had weather gods, and weather catastrophes, such as floods, played an important role in many creation myths.

蓝色部分是谓语（动宾结构），weather catastrophes 为主语。

划线部分是由 and 连接的并列句。weather catastrophes, such as floods, played an important role in many creation myths， 是第二分句。