It's good to get your hands dirty a bit and to test how you see things at a given point. And it's very pleasing after writing something like 'Atonement' or 'On Chesil Beach,' which are historical, to get involved in some plausible re-enactment of the here and now.
If politics and business fail us, of course the military will be called in. In the developing world, the massive and repeated ecological disasters are quite commonly met by the military.