magnesium oxide

A Closer Look at Leather: Part 2

A Closer Look at Leather: Part 2

On Monday [www.sundance.tv] we started peeking into the production of leather, talking about whether or not it’s a material that gets the TreeHugger stamp of approval. We mentioned vegetable tanning, generally considered to be the least harmful of all leather-tanning methods. Today, we’ll take a closer look at the process known as mineral tanning. Mineral…