Reuters: A pioneering solar energy project is using green technology to improve the lives of isolated villagers living beyond the reach of power lines on Argentina’s windswept Andean plains. Llama-herding communities have relied on firewood to cook and to heat their mud-brick homes for centuries in this remote corner of the vast South American country, causing deforestation and soil erosion. Now residents of the village of Misa Rumi in Jujuy province are cooking their lunchtime soups …