Mercy Corps is a relief aid agency that is well known for its efficiency in using funds that are donated to them. Up to 88% of the money donated is sent to those who are in need, so you know your money is well spent and not wasted on 'administrative' expenses. They are given the highest rating from the outside agency Charity Navigator.
They have several campaigns that are ongoing with the emphasis on the famine that is occurring in Western Africa. So if you are looking to give then please consider Mercy Corps https://www.mercycorps.org/