
Michael Reilly reported "Rice husks form small cases around edible kernels of rice and are rich in silicon dioxide, an essential ingredient in concrete. Scientists have recognized the potential value of rice husks as a building material for decades, but past attempts to burn it produced an ash too contaminated with carbon to be useful as a cement substitute." To learn more click on the link below.
Rice concrete can cut greenhouse emissions - Discovery.com- msnbc.com
