A phenomenon that made the recent California wildfires so damaging is spreading further afield. Climate "whiplash" sees dangerous swings between very wet weather and very dry weather. Drought or extreme rain are hard enough to contend with on their own. The problem with whiplash is the severe jerk from one to the other makes them both more damaging. It bore out in Los Angeles when two very wet winters produced lots of grass and shrubs, and were then followed by a long, hot summer that dried out that vegetation, providing abundant, tinder-dry fuel ripe for a wildfire. Without this swing...