"Culturally, we have the obligation to care for water. Gold and silver mining needs to use massive amounts of water, then it ends up contaminated with toxic waste. While heavy metals like mercury, arsenic, cadmium are locked up in rock they are safe. That's where they should stay."
http://www.northernadvocate.co.nz/news/govt-trying-to-sneak-in-mining/1503745/
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