Despite restrictions elsewhere, NZ still uses a wood preservative linked to arsenic pollution

  • Written by: Clemens Altaner, Associate Professor in Wood Science, University of Canterbury
Despite restrictions elsewhere, NZ still uses a wood preservative linked to arsenic pollutionShutterstock/speedshutter Photography

Timber with a green-grey hue – treated with copper chromium arsenic (CCA) – is a common sight in New Zealand. But how many people are aware that it pollutes the environment, is associated with health risks and is a toxic waste complicating the transition to a circular bioeconomy?

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Read more: Despite restrictions elsewhere, NZ still uses a wood preservative linked to arsenic pollution