Sunlight + Air = Water. It’s a befuddling equation, but it’s at the heart of a new solar hydropanel developed by Arizona-based startup Zero Mass Water. The company’s SOURCE panels can be installed atop any building just like standard photovoltaics, but instead of just harvesting solar energy, they use the sun’s rays to pull water … Continue reading →New rooftop solar hydropanels harvest drinking water and energy at the same time