Energy & Green Tech

To feed a growing population, farmers look to the sun

A mix of aromatic herbs and flowers is being grown at a photovoltaic park on mainland Greece. In Spain, artichoke and broccoli are sharing fields with solar panels. In Belgium, panels have been installed above pear trees ...

Energy & Green Tech

Harnessing sunlight to pull hydrogen from wastewater

Hydrogen is a critical component in the manufacture of thousands of common products from plastic to fertilizers, but producing pure hydrogen is expensive and energy intensive. Now, a research team at Princeton University ...