The Great Green Wall is one of the most inspirational and urgent movements of our times. Find out how you can support this amazing movement - and why it matters. One of my father's dear friends was the late Professor Wangari Maathai, the winner of the Nobel Peace Prize in 2004. For her contribution to “sustainable development, democracy and peace.” She authored four books: The Green Belt Movement; Unbowed: A Memoir; The Challenge for Africa; and Replenishing the Earth. More signif[...]