Watch Duty, a free app for tracking wildfires, has taken off in the Western U.S. as more of the region experiences destructive wildfires and the overwhelming task of staying informed.

After extreme fires last year that claimed 102 lives, Maui is trying to tackle the invasive grasses that pose a big wildfire risk. That could mean restoring the land to what it once was.

Climate change, technological leaps, panicked insurers, the shifting sense of responsibility: All are powering the still-nascent, but fast-growing industry of preparing homes for wildfires.

The four-legged creatures with digestive tracts of steel make easy work of consuming vegetation that typically fuels wildfires.

Red flag warnings mean an increased risk of wildfires in the next 12 to 24 hours, so fire safety is extra important. How do they differ from fire weather watches? And what precautions should you take?