Biochar, a carbon rich material made by heating biomass under low oxygen conditions, has long been known for its ability to store carbon in soils and improve environmental quality. Now, a new ...

Soils do more than store carbon from plant residues. Beneath our feet, vast communities of microbes quietly pull carbon dioxide from the air and convert it into organic matter, helping regulate ...

A disposable but eco-friendly electrochemical sensor made from sewage sludge detects trimethoprim in water and urine.