What should road builders, pilots and ship captains know about nature?

It is important for a road builder to understand what factors will affect the road he has built.
He must know where landslides can occur, and in what ways the melt water will flow to the river and how a particular road will affect the environment.
It is important for the pilot to know everything about the wind and the atmosphere, in which direction a thunderstorm front can move, to know and understand well the laws of physics associated with the flight mechanism.
The captain of the ship needs to be aware of waves, storms and currents. Know what the lights of St. Elmo are, be able to navigate by the stars.