THE fires are blazing. The west of the United States has endured some 50,000 wildfires this year, and over 8.5m acres (3.4m hectares) have burned. Northern California has suffered in particular recently as flames have swept through parts of the landscape, killing at least 23 people and devastating wineries.

THE fires are blazing. The west of the United States has endured some 50,000 wildfires this year, and over 8.5m acres (3.4m hectares) have burned. Northern California has suffered in particular recently as flames have swept through parts of the landscape, killing at least 23 people and devastating wineries.