Most contaminated waste materials generated from excavation of construction job sites are either buried in landfills or burned. There are fewer than 10 plants in the U.S. that wash and clean soil for ...

Learn simple, practical steps to start composting at home and turn kitchen scraps into nutrient rich garden soil, boosting plant health and reducing waste.

Researchers have developed a sustainable, inexpensive two-step process that can upcycle organic carbon waste -- including lignin, a difficult-to-breakdown material that gives plants their structure.

Tracking individual enzymes during the breakdown of cellulose for biofuel production has revealed how several roadblocks slow this process when using plant material that might otherwise go to waste.

A nearly two month long study is underway at the Hanford cleanup site, in southeast Washington state. It’s looking at a new stack on the Waste Treatment Plant — and how to keep too many chemical ...