![](https://www.goodnewsnetwork.org/wp-content/uploads/2025/02/Biochar-is-a-form-of-charcoal-made-by-burning-without-oxygen-credit-Canadian-Light-Source-via-Flickr-CC-BY-SA-2.0-e1738666365467.jpg)
Industrial Pollution is Cleaned by Converting Toxic Heavy Metals into Essential Nutrients
Biochar is a form of charcoal made by burning without oxygen – credit Canadian Light Source, via Flickr CC BY-SA 2.0. Researchers from the University of Waterloo have discovered that a special form of charcoal is highly effective at absorbing chromium and …