President Gustavo Petro is leading the way in promoting a fossil fuel phase-out in South America and beyond, but there are ...

A new project at a huge wastewater treatment plant in Duluth creates heat and power from the biogas that’s created during ...

Can the shape of a crystal really change how well it performs in clean energy technology? A new study says yes—decisively.

A team of researchers has discovered a clever way to turn falling water droplets – like those from rain – into usable ...