Humans have used their own waste as fertilizer for thousands of years, with varying degrees of success. In King County, it’s a growing business.

Process spectroscopy refers to the use of spectroscopic techniques for real-time monitoring and analysis of industrial processes. It is a non-destructive analytical method that can provide valuable ...

What does the new EPA warning about PFAS-laden sludge in fertilizer mean for home gardeners? Here’s what you need to know.