Other brands, like Prada and Monica Vinader, have also started utilizing recycled metals. But some industry observers warn that these supplies can appear more virtuous than they could actually be. By working with metals which have already been mined, Pandora won’t be digging deeper in search of new supplies, permitting the company to substantially scale back its greenhouse gas emissions. Mining requires more power and sources than recycling and is a leading source of mercury air pollution. Meet the Brand Reinvigorating a Diamond Jewelry Staple From a sister-and-brother duo, emerging fantastic jewelry brand Ox centers on a single innovative design…