Mankind's fault.
Flooding in the Central Plains of the U.S.?
Human caused climate change.
Anywhere on earth things seem sort-of normal? It's only because the dreadful effects haven't made it there yet.
[never mind the fact that both drought and flooding are realtively "normal" occurences, hence the words themselves having long been in existence]
And George Bush isn't doing anything about it! Bush is destroying the environment! (/dimwit mode)