Most river pollution comes from streams that don't need fencing, research shows

Most of New Zealand's river pollution comes from streams that would be exempt from waterway fencing rules, new research shows.

It calls into question the effectiveness of current efforts, which would become law under legislation proposed by the National Government.

A paper published by the American Journal of Environmental Quality found that 77 per cent of contaminants in New Zealand's rivers came from smaller waterways exempt from proposed fencing rules. See more