sewage

As COVID testing is scaled back, public health experts are looking to wastewater surveillance and other techniques to monitor new surges or variants.

Searching wastewater for the coronavirus is fast, cheap, and anonymous.

To transform manholes into robo-holes, the country must seek broader social change.

It's not just useless crap.

A new process emulates the way crude oil forms naturally— in only 45 minutes.

One of 10 insane ideas that just might save the world

This has nothing to do with politics

Phytoplankton is choking off natural food chains in the Arabian Sea.

An Arizona ski resort was the first to make snow from sewage "effluent," but the color was just a little off. Oops!

A machine that uses exhaust heat to treat onboard sewage