Once too polluted to swim in, the Mangapiko Stream can now be enjoyed by all.

The 4km-deep undersea canyon of West Coast is home to key marine ecosystems.

COMMENT: The Auckland Council needs to stop sea pollution urgently.

Garfield phones have been mysteriously washing up on French beaches. Now we know why.

City of Sails could see an equivalent three months of extra-hot days - within a century.

Sewage overflows will reduce by more than 80 per cent due to the Central Interceptor.

The young activist who's leading the fight against the Fletcher development at Ihumātao.

There a growing calls to revive a 1970s throw-back: the bottle deposit scheme.

Travel site has called out the most overrated and underwhelming locations.

Environmentalists have welcomed a proposed water tax, amid other suggested overhauls.

An unusual item has repeatedly washed up on some French beaches for the last 30 years.

Takapuna beach deemed safe on website because of ignorance of sewage spill.

As Kiwis head to their local swimming holes, Dr Mike Joy discusses our freshwater crisis.

Markle's committed something of a faux pas with avocados.

Council says $20m stormwater upgrades are pointless if residents don't change behaviour.

The occupation of Iran's London embassy in 1980 was by Arab separatists from Khuzestan.

Residents are outraged about leaks onto Whirinaki Beach from a Pan Pac pipe.

No one knew the answers when Whitianga students started investigating their local estuary.

One of the worst towns for air pollution the focus of a study pin-pointing NZ's problems.

Disease-causing bacteria and antibiotic-resistant E. coli detected in Canterbury rivers.

Scientists are deploying underwater robots to prepare for NZ's next big marine disaster.

Car parks could be removed to widen Queen St for pedestrians, bikes and e-scooters.

From January 14 plastics numbered 3-7 will not be accepted at Far North recycling stations

The oil is expected to persist in the harbour for one to two years.

Failings of a plan to save Hauraki Gulf should be lesson for future efforts, report finds.

Tool used to calculate farm run-off into waterways needs greater scrutiny, watchdog says.

"Swim with caution" option axed in Auckland but still used in all other regions.

Climate change is hard to combat, but easier if we work for good outcomes.

NZ must swap its plastic packaging system to one where nothing gets wasted, report says.

Air pollution largest environmental health problem in US and in the world more generally.