Development near natural areas puts more Californians in the path of wildfires

Wildland-urban interface areas grew 20 percent in the state from 1990 to 2010

Camp Fire destruction in California

TORCHED TOWN  The Camp Fire burned through the town of Paradise in Northern California, leaving behind rubble where houses and businesses once stood.

Noah Berger/Associated Press

In the past week, the Camp Fire has killed at least 56 people and leveled the Northern California town of Paradise.