Containment measures the percentage of a fire's perimeter that firefighters have under control. Parts of the fire's interior may still be burning.

These are some of the bold ideas academics have for Los Angeles as it recovers from the Eaton and Palisades fires, which killed 28 people and damaged or destroyed nearly 16,000 structures. Together, the blazes charred 59 sq miles (152 sq km) - an area larger than Paris.