Wildfires always have a natural origin.

One way to prevent wildfires is never lighting outdoor fires.

We can prevent wildfires by carefully controlling outdoor fires.

All natural disaster are impossible to prevent.

Hurricanes are also called "typhoon" or "cyclone".

Humans have always predicted natural disasters.

In the present, humans can predict some natural disasters and prepare for them.

Two types of natural disasters humans can't predict are: storms and earthquakes.

Earthquakes are usually shorter than one minute.

Fires and floods can be consequences of earthquakes.

Technology can help humans make their environment safer.