Our planet has always been powered by sunlight. Plants use light and water and air to grow through the process of photosynthesis. Dr. Jenny Yang, Professor of Chemistry at the University of California, Irvine proposes that we imitate plants to produce fuel through artificial photosynthesis. That fuel would be carbon neutral because we would be pulling CO2 out ot the air to manufacture it. She says this would be part of a portfolio of green solutions to man-made climate...