Insight for Sunday 18 March 2012

Groups worried about the state of New Zealand's rivers  are planning to set up a national network of Environmental River Patrols at a meeting in Wellington next weekend.

Insight investigates one of the drivers behind the move, the efforts to improve the health of a major Northland river, the Wairua.

(The meeting to set up the Environment River Patrol Aotearoa is being held in the Wellington Town Hall on Saturday 24th starting at 11a.m)