Bhopal has become the first city in India to install algae trees, a solar-powered technology that helps reduce air pollution ...

Michelle Starr is CNET's science editor, and she hopes to get you as enthralled with the wonders of the universe as she is. When she's not daydreaming about flying through space, she's daydreaming ...

Microalgae are moving from petri dishes to building facades, promising to cool overheated cities while attacking carbon pollution at a pace trees cannot match. A new generation of “living walls” uses ...