A truck dumping biosolids in Geneva, Illinois

Waste Not, Want Not

Sewage is a vital part of a circular economy—and we have the tech to make good use of it. Why don’t we?
A tractor spreads biosolids in a field

What To Do about Biosolids

People are understandably reluctant to make much use of sewer sludge. Can rebranding human waste as "biosolids" change the public's mind?
A Spongey Lower Manhattan

How to Build a City That Doesn’t Flood? Turn it Into a Sponge City

Cities encourage potentially devastating floods by laying down asphalt and pavement. Could this be avoided by making them "spongier" and more absorbent?
Oil spill clean up worker

Epic Cleanups: Hurricane Sandy, Nuclear Waste, and Oil Spills

From oil spills to nuclear waste, humans are good at making epic messes. Sometimes we come up with clean up ideas and sometimes we neglect repairs entirely.
Wax moth

Will Feeding Plastic to Wax Worms Work?

The problems of plastic in the environment are well documented. Researchers may have a solution to our problem: the common wax worm.