Category: Energy & Renewable


Renewable energy capacity on the rise

Renewable energy comprises around a third of the world’s generating capacity. That’s after a year when solar, wind and other renewable power capacity increased almost 8 percent, according to the International Renewable Energy Agency,...


Turning eggshells into electrodes

Eggshells are a good material for producing battery storage devices thanks to their high calcium carbonate content. An international research team has now tested electrodes made from eggshells. Discarded eggshells have long been used...


Watch out for too much wind

Many sustainable investors envision propellers generating clean energy at wind farms dotting every hill in sight. But researchers are warning that too many wind farms could harm the sustainability of the popular renewable resource....