Heather Murdock Voice of America October 27, 2011 Louis Ntiricakeza is one of the few Rwandan farmers already growing coffee underneath bananas, October 2011. Photo: VOA - H. Murdock Sakara, Rwanda - Over the next three to four decades, temperatures in the Great Lakes Region of Central Africa are expected to rise about two degrees Celsius. Scientists say without immediate innovations in farming, crops will be devastated and the region will be thrown into chaos. So Rwanda is experimenting with what is already widely practiced in some neighboring countries. They are growing banana and coffee plants on the same soil to prepare for the new climate in the long term, and to grow the economy in the short term. Frederick Musangwa has a farm in Rwanda. He grows bananas to eat, and coffee to sell. He cooks over a wood fire, and has no electricity or running water. In the past, he grew food crops to feed his family and sell in the market, and earned about $11...