UNICEF. Children under five are the most vulnerable to the effects of malnutrition.
You can go here now to add a small or large donation to this emergency appeal, to help families threatened by this natural disaster. The extent of this crisis is mind boggling.
Coincidentally I've just finished reading The Poisonwood Bible, an amazing book, set in Africa, in the Congo which talks about the extremes of weather that shape this continent. Its an amazing story, have you read it?