Engineers are assessing a large slip in the Manawatu Gorge to see when it is safe to start clearing.
The quiet communication helps them avoid attracting the attention of predators and male humpbacks looking for mates.
The charges carry a maximum penalty of $300,000 each or a jail term of two years.
Ratepayers are set to fund a $44,000 fence to protect wetlands on a high country station leased by Americans.
Taking action to protect Lake Wakatipu
It's better than Summer but like all good things the good weather won't last.
Huge clouds of smoke are from a farmer's burnoff, rural fire says.
A community of children who protested against freedom campers defecating at the school bus shelter and carpark have been heard.
When they got near, the Canterbury riverbed was dry, but within minutes it was clear something was happening.
A pair of Picton teenagers were selected from among 500 hopefuls to help tackle environmental issues.
Questions over the sudden appearance of thousands of miniscule snail shells have finally been answered.
OPINION: We didn't know how lucky we were. Now we can't swim in our rivers, let alone drink from them.
Manawatu Gorge set for another long closure after two slips block lanes.
Ecologist leads work to catch kokako which will eventually return to Mt Pirongia in the Waikato.
A waxworm capable of eating through plastic at great speeds may solve the global plastic bag crisis.
A bull shark caught off the coast of Australia has people both excited and angry.
A fisherman films a 16 foot shark that circled his boat moments after his son's hands were in the water.
DOC furious over killing of protected bird, which could lead to a two-year jail sentence or a $100k fine.
New seabed mining information sought will add to costs for opposition groups fighting proposal
Gareth Hughes thinks it's better to plan on a transition than leaving it to fate, and people losing jobs.
A West Auckland community is extending their predator free programme to private landowners.
A night time photo shoot of the Taranaki sky offered a sight rarely seen so far north.
Young Scout and Guide leaders give nature a helping hand at the national Moot
Fishermen aiming to catch, tag for research and release bronze whaler sharks "blown away" when three great whites took bait.
A gap of just 2 metres is stopping the completion of a loop river walk through rare bush in suburban Auckland.
Reusable bags made of recycled material could change Queenstown for the better, volunteers hope.
Clean-up reveals mayor's anger with slow progress - but council's own landfill also under fire.
A Queenstown bee centre will enable families to come together and get stuck in.
Ahead of her NZ visit Goodall says why there is hope for our planet and its inhabitants.
Thousands of New Zealanders are in the path of rising seas. Many are among the least equipped to deal with it.