What exactly are 'zombie' fires, and how are they affecting wildfires this spring?
The wildfire season is off to an early start in some parts of Canada — partially due to what are sometimes called "zombie fires" that have carried over from last year. Here's what we know about them.
The wildfire season is off to an early start in some parts of Canada — partially due to what are sometimes called "zombie fires" that have carried over from last year. Here's what we know about them.
