It'll be effecting travel for some time to come I reckon. Flights that are flying are having to spend a fortune on extra fuel in order to take a longer route around effected areas. Not good in an industry that survives only barely these days.
Its not too late until humans have destroyed the whole planet (or made their best effort anyway). Which, by a look at what's going on in the world today, might not be that far away...:wtf: