Tiffany leads industry efforts to boycott Pebble Mine

It's not top-of-mind awareness, it's not as if people are coming in and asking about where our gold is sourced," [Michael Kowalski] said, adding that Tiffany has a chain-of-custody system to keep track of the origins of its gold and silver. "I think it's dangerous to say 'No one's asking about it, therefore it doesn't matter.' I think you need to be careful about warily approaching a tipping point. A few years ago, no one talked about climate change.