I've heard that about 10% of the Earth's surface is on fire at any one time

Spain has lots of wildfires. The number of times they are started by people, both inadvertently and on purpose, is alarming. The farmers who burn stubble, the people who flick fag ends from cars and the people who light barbecues in the countryside are oddly surprised when it all gets out of hand. There are also arsonists who start fires for reasons best known to themselves and their doctors. Fires can also start naturally, a lightning strike being the most common cause. Just like those potholes on British roads, fire breaks all over Spain are suffering from lack of spending. What should be a difficult barrier for the flames to leap, a defensible line for fire fighters to hold, is so full of weeds and shrubs that it offers no real barrier and the fires grow and spread. There have been several fires in the local area over the past week or so. On the national scale they have not been big and they have not spread widely but seeing smoke on the horizon and watching fire fighting helico...