Walmart is rolling out a new house brand of all natural cleaning products, Great Value Naturals, which the retailer says is as effective as leading conventional cleaning brands. The products are available now in more than 2,000 Walmart stores across the U.S. and will be available soon on Walmart.com. “The launch of Great Value Naturals is an important step in making green cleaning habits an affordable option for millions of consumers,” said Alberto Dominguez, Walmart vice president ...