Both Ontario and Quebec rely upon Satellite surveillance for fire watch. For the most part it works but it can be up to 24 hours before the map is read and interpreted. That is a lot of time for a fire to get established. The Mark 1 works but universal coverage is a physical impossibility given the area to be covered. There is no perfect solution but proper forest management would go a long way to reducing the hazard. And yes, the majority of human started fires are not arson: bad choice of words