Nobel Peace Prize winner Wangari Maathai isn’t just sticking to the local environment, development, and security struggles that earned her the 2004 award. Dr. Maathai, the Kenyan environmental activist and deputy environment minister, recently called on African governments to be more aggressive in addressing climate change. She argued for presenting the climate change challenge in “simple terms” with “simple solutions” such as planting trees.  Read more on BBC.