Here you will find out which are the activities of the Pies Descalzos Foundation. It was founded by Shakira to help children in her country, Colombia. You can also find out about her life, music...
In this page you can find some articles about what Bono does to help people in Africa and find out how to help yourself.
http://www.oprah.com/tows/pastshows/tows_2002/tows_past_20020920_b.jhtml