They're all apocalyptic events - big natural disasters and the increase of war.
It's all the build-up to Armageddon, or might be (but probably isn't).
And he's now expanded onto a more general scope of [future] extinctions, not just the one from the Bible.
Whether or not it's bollocks isn't relevant to whether it's interesting.
EDITED: 17 Jul 2008 07:26 by BOUGHTONP