Sewage
Health concerns in Melbourne as effluence washed up on beaches
Authorities in Melbourne say there's high levels of faecal pollution at some of Melbourne's most popular beaches after recent flash flooding, sparking concerns about gastroenteritis. Audio
Kaikōura sewage spill: 'It was like a river'
Sewage ran through a Kaikōura resident's property for six days after last week's quake, before it was fixed. Video
Oil spill in Tauranga Harbour cleaned up
An oil spill in Tauranga Harbour from a damaged fishing vessel has been cleaned up. Bay of Plenty regional harbourmaster Peter Buell said the spill created an oil sheen about...
Christchurch sewerage fix-up decades away
The Christchurch City Council has admitted it could take 30 years before the city's sewerage system is returned to a pre-earthquake condition.
Virus levels'dangerously high' on Rio Olympic beaches
Swimming's governing body FINA has called for virus testing in water which will be used at next year's Olympics, following fears for athletes' health.
Dunedin's Healthy Harbour Watchers
Over the last decade secondary school students have measured the chemical and microbiological health of Otago Harbour Audio
Chlorine and antibiotic resistance
Olya Keen of the University of North Carolina at Charlotte is studying how using chlorine to treat sewage could be contributing to the problem of antibiotic resistance and the rise of the superbug. Audio
Sewage treasure
Paul Westerhoff of Arizona State University has shown that a community of one million people produces precious metals worth up to US$13 million a year in its sewage. So how do they get there... and… Audio