New Scientist: EAST Africa is no stranger to crisis: who can forget the Ethiopian famine of the mid-1980s that killed about half a million people?
But the drought that struck in 2011 was different - it was caused, at least in part, by climate change, the first time a humanitarian disaster has been directly linked to global warming (see "Humanitarian disaster blamed on climate change"). It won't be the last.
If that wasn't bad enough, our climate now seems to have passed one of the abrupt changes known as...