Nobel Peace Prize winner Wangari Maathai of Kenya told 300 leaders and citizens Sunday night in Palo Alto. With a flashing smile, Maathai told stories about her own efforts and even used a fable ...

With the sad news of Wangari Maathai's death on Sunday night (25 September), we celebrate the life and philosophy of an extraordinary woman via a series of video clips, below. Maathai, a veteran ...