They converted old tires into a material that not only purifies water using solar energy—but also generates a small amount of electricity.

A new comprehensive study of “decoupling” finds that for 30% of the regions studied, the answer is yes. But the remaining regions are lagging behind.

One of humanity’s greatest achievements over the past 50 years has been reducing global hunger—there are around 300 million ...

Researchers explore the potential of electro-agriculture—ie., growing crops in the dark; early research shows promising ...