Breaking new ground on restoring healthy soil

(Phys.org) —Researchers from The University of Western Australia, working with Alcoa of Australia, are breaking new ground on finding ways to transform bauxite residue into healthy soils.

Can Hungary's red sludge be made less toxic with carbon?

The red, metal-laden sludge that escaped a containment pond in Hungary last week could be made less toxic with the help of carbon sequestration, says an Indiana University Bloomington geologist who has a patent pending on ...