Some years back, if you're a fan of Anderson Cooper, you may have seen his 2005 series on Anderson Cooper 360, 'Starving In Plain Sight', concerning a famine that was hitting the country of Niger at the time.
The actual report, for some reason, isn't on YouTube, but there is a follow-up he did two years later in 2007 for 60 Minutes:
There may be a rerun on the horizon. If you'd like to help try and head it off, I'd suggest CARE. No sense waiting until a potential famine becomes an actual famine.