A small rust fungus has begun its battle as a biocontrol agent against invasive Chilean needle grass after the first release of its kind in the world in Marlborough and Canterbury.
The Environmental Protection Authority has issued an urgent alert for people to stop using weedkiller because of significant concerns about its effects on unborn children.
The government ruling that there are no grounds to review approval of the active ingredient in weedkillers is being celebrated by an arable farmer in Southland.