In the last of a five-part series looking at research in Auckland's blue backyard, an expert discusses how far our ocean ecosystems can be pushed.

In the second of a five part series on Auckland's big blue backyard, science reporter Jamie Morton talks to seabird expert Dr Brendon Dunphy.

COMMENT: Reliable as clockwork, and right on cue, DairyNZ stepped up to the microphone and shot themselves in the head.

COMMENT: Dairy industry could take a leaf out of Boag's manual and admit to 'casual pollution' of our waterways.

A controversial Greenpeace TV ad has been given the green light after the dairy industry attempted to shut it down.

The domes, manufactured by MetaSpace Air Dome Corp uses filtration systems to keep the air inside pollution-free.

A Lord of the Rings actor who now works as a tour guide operator has slammed New Zealand's "clean, green" image.

Fewer than half of councils have enough staff trained to respond to marine oil spills.

About half a dozen online retailers are selling "pure, hand-bottled, pollution-free, oxygen-rich air from New Zealand" to people in China's smoggy northern cities.

COMMENT: Scientists have taken phytoremediation one step further by combining it with nanobionics - the process of modifying biology with engineering.

What's lurking beneath the surface in the Wellington Harbour?

A truck carrying an estimated 5700 litres of bitumen crashed between Feilding and Halcombe this morning.

Float the idea of a dip in Whangarei's Town Basin and most people will respond with some variation of "ew .... bad idea". But that's

Scientists have struck upon a simple equation that shows the true effect of greenhouse gases.

The jobs of more than 100,000 New Zealanders are linked to the seas which circle the country.

The chairman of the Bay of Plenty Regional Council Doug Leeder explains that the water quality issue is a problem everybody needs to get their heads around, whether they live in a rural or urban environment. Made with funding from NZ On Air.

Scientists taking a toll of the damage done to the Great Barrier Reef say large parts of formerly pristine coral has died.

For Labour, it is critical that we have an integrated across government plan to reduce emissions.

Seabed mining is back in the spotlight as Trans Tasman Resources submits second application for consent to mine off the South Taranaki coast.

Emergency services are scrambling to prevent polluted waste spilling into waterways after a tanker crashed in South Auckland.

Oil giant Mobil has escaped a $10m bill for the cleanup of a contaminated area of Auckland's Wynyard Quarter after winning a Supreme Court appeal

COMMENT: Sometimes, measures that help the environment are so obviously going to save money at the same time, that they are a no brainer, writes Sam Judd.

COMMENT: The two biggest causes of air pollution - open fires and transport - are highly challenging to address, writes Sam Judd. But each year, NZ families suffer 1,175 premature deaths because of air pollution.

Authorities are investigating after an unidentified pink substance was discovered in the upper reaches of Whangamata Harbour.

Record high carbon emissions sounds an alarm about risks to nature from man-made global warming.

Last week, the image of a herd of cows in a pristine high country lake provoked widespread outrage, writes Dame Anne Salmond. The mood of the country has changed.

During cold winter days, Anumita Choudhury dare not leave her small second-floor apartment in New Delhi's northern suburbs.

OPINION: China's air pollution is a consequence of its efforts to achieve economic growth at any cost, combined with delays in improving the situation.