Californians will be in shock for a long time over the vast firestorms in Los Angeles. We don’t yet know what ignited each fire. But Santa Ana winds are a regular, predictable, feature of regional weather. California environmentalism discourages clearing of public and private land, and stymies upgrades of water delivery systems. And Los Angeles recently trimmed back its firefighting budget by $18 million. “Climate change” is not the culprit.