Sniffing out rats

Pawing their way to a pest-free environment

rat dogs

Rodent sniffer-dogs get to work to hunt out rats in pest-free conservation sites.

Rivers 'open sewers'

whitebaiting heathcote river

Whitebaiters warned not to eat fish caught in Christchurch rivers, which are still contaminated following the earthquakes.

Wasps may impact honey

wasps

An aphid that has slipped through biosecurity may mean wasps become a bigger pest regardless of the weather.

Scenic drive made safer

Tasman

Tasman Valley Road upgrade at Aoraki/Mount Cook is meant to improve accessibility of the area.

Residents dig deep

Mark Beach

Mining green light sparks public protest in the Karangahake Gorge.

Sick waterways might gain

Lake Ellesmere

Two of Canterbury's sickest waterways are prime candidates for Crown cash to retire farms and restore their wetland "lungs".

Ozone layer recovery?

UN reveals the ozone layer is showing its first sign of thickening after years of dangerous depletion.

Glass a day keeps Greens away

Waihou River water

Piako farmer hits back at pollution claims by giving the Waihou River a good old-fashioned taste test to prove its purity.

Pod pushed orca to surface

Dian

Dian the orca survived being stuck in a cray pot line thanks to the remarkable actions of her pod.

Cat disease found in native birds

Cat

A cat-borne disease that might be killing endangered dolphins has now been found in kiwi.

Iwi to fight mining

karangahake gorge

Company granted permission to test mining in the Karangahake Gorge but iwi say they will fight back.

Escape for council

Waikato River

The council will not face prosecution over a failure in which up to 800 cubic metres of untreated wastewater spilled into the Waikato River.

1080 drop to cover huge ground

1080

Increase in rat numbers prompts DOC to push ahead with planned 1080 operations over 700,000 hectares in the South Island.

Turning pine pest into perfume

Marlo Molgat

Firm on the cusp of a global breakthrough from processing invasive trees into a highly sought-after product.

Extinction writer comes to NZ

Kakapo

Leading science writer who says world is nearing next wave of mass extinction drawn to New Zealand to research pest-control methods.

No spill prosecution

Jet fuel leak Lyttelton

Mobil will not be prosecuted after 1.2 million litres of jet fuel spilled from its tank in Lyttelton.

How tui pull the birds

Tui

Experts have proven that a hot tui is a horny tui - and they've got the sexy tweets to prove it.

Offer highlights tuna plight

Tuna

Chinese plans to take even more tuna from the Pacific are revealed in a Hong Kong stock offering.

Lake's health warning lifted

health warning

The health warning for Lake Whangape, north-west of Huntly, has been lifted.

Climate worries focus on melting ice

Car

Bigger storms and frequent king tides may change Auckland's coastline and affect how communities live.

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In Our Nature, with Nicola Toki

The cost of losing nature