Lake Wakatipu's green glow: The mystery of the liquid continues
The council this morning was still waiting on test results of the liquid.
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Latest fromTCN - Environment
Horizons releases mite to curb plant pest
European mite introduced to limit vitality of a rampant weed - old man's beard.
Farmers raised concerns about Overseer for 'over 10 years'
Feds' Chris Allen says being told Overseer is not good enough is "winding farmers up".
Rabbit poisoning postponed after letter
Hadar Orkibi believes there should be an alternative to poisoning.
Damning report of Overseer programme prompts Hawke's Bay to change approach
HBRC oversees Tukituki Catchment, which has serious water quality problems.
'Huge win for the region': Hawke's Bay tree planting gets $2m funding boost
Three Hawke's Bay environmental projects have gotten a big funding boost from Govt.
Refining CEO briefs Whangārei Heads community about future plans
Refining NZ conducts information session on fuel-only import terminal proposal.
Future of Far North conservation in good hands
Kauri a big focus of Far North conservation projects.
Government to assist development of Overseer
Overseer has been criticised by some environmental scientists in recent years.
Government to overhaul Overseer
Advisory panel found shortcomings in current version of nutrient modelling software.
Roadside mystery: Dead wallaby disappears after report
Origin of dead wallaby spotted on roadside near Oamaru last month remains a mystery.
Tiaki Maniototo: Ambitious waterway plan evolving
Project will receive $4.55m funding from Freshwater Improvement Fund over next five years.
Nationwide project offers hope in war against weeds
Project aims at tackling six of New Zealand's most invasive weeds through biocontrol.
'Nothing but bad news': Major climate report's stark outlook
Biggest climate report in nine years warns window to avert worst impacts is closing fast.
NIWA and farmers work together on irrigation project
Farmers use real time data and forecasts to make science-based irrigation decisions.
Taihape community rallies together for planting day
Some 2000 native trees will be planted around Hautapu River Park and neighbouring areas.
DOC tahr control programme a third of the way through
DOC hunters have flown 60 of the 195 hours budgeted for the annual aerial cull.
Waimakariri biodiversity projects gain traction
Seven projects have started across four lowland stream catchments across the scheme.
Intensive winter grazing improves but not all councils have data on its use
Report shows 7 regional councils have no estimates on how many farms use winter grazing.
Bee-ware: How farm chemicals could make a deadly cocktail for bees
Current bee protections underestimate level of danger from intensive farming environments.
Fears remnants of former quarry is seeping into city's water supplies
The Christchurch City Council is investigating following the allegations.
Emissions from dairy farms highest ever
Environment Ministry blames fertilisers and says emissions from dairy cows are dropping.
Forestry conversion data shows carbon offset limits needed, says Beef+Lamb
Independent research shows farmland sales driven by increase in carbon price.
Unknown coral species hauled up in bottom trawling nets
Bottom trawlers have hauled up 128 previously unknown species of coral.
DoC to investigate rare orchid's mysterious reproduction
Rangers and a research team looking at how to save swamp helmet orchids in Whangamarino
Farmers continue fourth-generation battle against pest tussock
Central Otago is a perfect breeding ground for Nassella's windborne seeds.
Vets also concerned about plan to use feral cats for rabbit control
"We share concerns about impacts these cats will have on the native wildlife population."
Second kauri dieback offender fined for entering closed tracks
Damon Gojack pleaded guilty after he was issued several trespass notices.
Fonterra to phase out coal use at Otago cheese plant
Stirling will be coal free and using wood biomass to fire the site by August next year.
Teamwork vital for improving local waterways
Dave Ashby and Cam Henderson reflect on their service to Waimakariri Water Zone Committee.
Using wild cats to control pests 'misguided'
Plan to release wild cats on to rural properties to manage pests labelled a "disaster".
Plans to trap wildlife predators around Whanganui
Chris Smith and Milly Mitchell-Anyon want co-ordinated predator trapping in Whanganui.
New scheme aims to reduce impact of possums, mustelids and rats
Project aims to eradicate predators from the three main peninsulas in Bay of Islands
Pharmaceuticals company fined $28,000 for modifying, taking water from wetlands
Tairāwhiti Pharmaceuticals convicted of modifying and taking water from Te Whare Wetlands.