The start of a major slanging match?

That would appear to be what this article from TravelMole is indicating.

It is probably the first major salvo fired by the aviation industry at the shipping industry, which is now recognised as being a major CO2 emitter in its own right.

The thing is, all finger pointing and cross industry sniping will achieve, at the most, is nothing. But I'm sure that this is not the last time it will happen.