Why wildfires are at their deadliest in more than a century

That fires are suddenly inflicting mass casualties again “should be a really significant red flag,” said LeRoy Westerling, a climate and wildfire scientist at the University of California, Merced. “Our perception of the underlying risk is no longer reflective of the reality we currently have. All over the world, this is happening right now. … That is a warning sign that something’s happened that we need to take into account.”