Man-made diamonds have jewellery industry on edge
Lab-grown diamonds at a steep discount may erode demand for lower-quality products.
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'We have won': High Court blocks seabed mining
It's back to the drawing board for proposed seabed mining off Patea.
Contact Energy sells Rockgas LPG business for $260M
The company originally purchased the business for $156m in 2007.
In a real hole: Why Aussies aren't keen on $160k jobs
Companies claim they're begging Aussies to take the thousands of jobs up for grabs.
The $160K-plus jobs that Aussies don't want
Aussies are turning their noses up at highly lucrative jobs in this industry.
Government should lead way on environment
Two big environmental calls loom for the Government
Trump renews attack on Opec over oil price
The benchmark price of crude has surged to near US$80 a barrel
Govt axed oil exploration after minimal analysis
Reports suggest oil industry research firms may take legal action against the government.
Multi-million dollar mining project could create 100 jobs
The plan is to restart work at a diatomite mine near Middlemarch.
Relief on the cards for motorists as Saudi Arabia changes strategy
The world's largest oil exporter will be ending its quest to push up oil prices.
Comment: Oil jumps as Trump labels Iran deal 'insane'
US must focus on the big picture before imposing sanctions.
Rachel Rose: Climate change campaigner can do the maths
Bill McKibben is in NZ to talk about taking on business interests over climate change.
Surging crude price risks major oil shock
Opec efforts to push price towards US$100 and geopolitical flashpoints risk perfect storm.
Pipeline failure cuts NZ Refining profit by $8.2m
Refinery spent $6m repairing the pipeline, which failed on farmland near Ruakaka.
Saudi Arabia's desire for $100 oil a high-risk gamble
A return to boom and bust cycles bad for producers and consumers.
Fallow: Labour's oil ban a pointless, self-righteous policy
Move will be costly and do nothing for the climate.
Russian stranglehold on Europe's gas supplies exposed
Gazprom has been acting as an enforcement arm of Russian foreign policy.
Oil boss says the 'you're not welcome sign' is up
Business leaders say the ban sends a bad signal to potential international investors.
NZ govt ends new offshore oil and gas exploration
The Govt will issue no new exploration permits for offshore oil.
Lines company faces legal action over wildfires
The fires sparked a state of emergency in February last year.
OceanaGold planning to extend mining at Waihi
The Correnso underground mine produces about 100,000 ounces of gold each year.
NZ govt planning 'long transition' away from fossil fuel: Minister to Big Oil
Govt said it does not want to rip the rug out from under businesses.
Race heats up for US$2 trillion float of oil giant Aramco
Oil company is bigger in production terms than Shell, BP and ExxonMobil combined.
Rio Tinto's profit soars 90% to $12 billion
Mining giant says higher prices boosted its underlying earnings
Green light for $1.75b oil deal
Beach Energy deal to buy Lattice Energy includes 46% of the Kupe Joint Venture
Jim Rose: Greens' fossil fuel attacks backfiring badly
COMMENT: Thank Greenpeace for cheap petrol prices.
Saudis' oil cuts risk revival of US shale
Dream of securing a $136 billion windfall from Aramco IPO may be clouding judgment
Global hunt for oil set to slip by $4 billion
The oil price is more than two and a half times higher than the historic low of two years
Sharemarket slips in thin holiday trade
Shares slip in thin holiday trades as appetite decline companies offerings.
Pumping oil price may come at a cost
The cartel's role of gatekeeper has been key to breathing life back into oil prices
Fracking drives US oil exports to record high
US exports of crude oil, gasoline, diesel, propane and LNG are at records levels
Government to launch pipeline inquiry
The Government will hold an independent inquiry into the September outage
OG Oil & Gas wins control of NZ Oil & Gas
OG Oil & Gas has crossed the 50 per cent threshold.