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?
Other countries, including Australia, the US and the EU, have stopped or restricted the use of CCA, moved to safer alternatives and established viable end-of-life disposal options.
