How does the simple act of planting trees lead to winning the Nobel Peace Prize? Ask Wangari Maathai of Kenya. In 1977, she suggested rural women plant trees to address problems stemming from a degraded environment. Under her leadership, their tree-planting grew into a nationwide movement to safeguard the environment, defend human rights and promote democracy, earning Maathai the Nobel Peace Prize in 2004.
CNN.com : "HARARE, Zimbabwe (CNN) -- Zimbabwe's opposition leader called the cholera outbreak in his country a 'man-made crisis,' as new figures released Thursday showed the death toll had soared to more than 2,700."