I’ve been a traveler my whole life — and was lucky enough to have a family that prioritized experiencing new destinations throughout my childhood. Now, it’s my nephew’s turn. At two years old, with seven countries down, he’s on his way to becoming a citizen of the world.

In this interview, correspondent Polly Nash talks to fire fighter Cami Schafer about one of the many frightening effects of climate change; the ever-growing threat of wildfires around the world. Last year California was hit by the Dixie Fire, the largest single forest fire in the state’s history.