Ammonia is a chemical essential to many agricultural and industrial processes, but its mode of production comes with an incredibly high energy cost. Various attempts have, and are, being made to ...

Sunlight hits tiny particles of plastic floating in a clear water solution. Slowly, they begin to disappear, leaving behind a familiar household chemical: acetic acid, the main ingredient in vinegar.

Refined wood, salt, sunlight, and artificial intelligence might soon deliver clean drinking water from thin air—even in the driest regions of the world. That’s the promise behind a new invention ...

The desert doesn’t look like it has anything to give. Then night falls, the air cools, and a quiet trickle of water begins to gather.