Thinking outside the square finds light in oven

FOR her 10th birthday, Nicole Kuepper received an inspirational present from her parents - her first solar-energy kit.

She has developed a simple, cheap way of producing solar cells in a pizza oven that could eventually bring power and light to the 2 billion people in the world who lack electricity.

"I love working with passionate people who want to help address climate change and poverty" - Kate Geraghty