On the outskirts of the famed research facility Biosphere 2, away from the futuristic glass pyramid and tiered trapezoids alive with self-contained habitats, University of Arizona biogeographer Greg Barron-Gafford oversees a small outdoor garden. It’s a darker, cooler plot than most, thanks to its distinctive feature: solar panels. Mounted on 9-foot-tall beams, so lofty a … Continue reading Why combining farms and solar panels could transform how we produce both food and energy