Push to cut copper brakes from mainstream use over pollutants
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This comes after copper was found to be contaminating waterways at a fifth of sites sampled around Christchurch.
University of Canterbury senior research fellow Dr Aisling O'Sullivan said copper was one of the most eco-toxic metals in New Zealand with devastating effects on freshwater wildlife.
Every time a vehicle brakes, small particles of copper are shaved off and end up being washed into groundwater and flowing into wastewater drains. Read more