Prime Minister Jacinda Ardern has given the strongest signal yet that the days of oil and gas exploration in New Zealand are numbered.

The Executive Director of Greenpeace New Zealand puts his body on the line to stop climate change.

Greenpeace yesterday intercepted the world's largest seismic oil ship off the Wairarapa coast.

Seabed mining is back in the spotlight as Trans Tasman Resources submits second application for consent to mine off the South Taranaki coast.

New Zealand Oil & Gas says exploration drilling of the Barque prospect in the Canterbury Basin, which has the potential to be the nation's biggest-ever hydrocarbon discovery, is expected to start in 2017.

Oil rose after Iran's nuclear accord with world powers left the timing of increased crude supplies from the Opec member uncertain and as Saudi Arabia raised prices for shipments to Asia.

Just over one month since its last downgrade of Moscow's credit rating, Moody's said Russia "is expected to experience a deep recession in 2015 and a contraction in 2016".

Oil bulls finally caught a break as prices capped their first weekly advance since November.

Boart Longyear has posted a steep loss and says it will review its operations after having slashed almost 3500 jobs in the past year.

Editorial: The final outcome of the Rena grounding was far from the environmental disaster initially forecast.

Editorial: If Greenpeace is right, and there's an undersea oil well that could spill 40k barrels a day - then finding it would be very good news indeed.

Veteran New Zealand oilman Rob Jager says he can understand concern over deep water drilling off New Zealand's coast.

A Greenpeace-commissioned report shows dramatic blow-out effects of a deep-sea oil spill, but the industry says it's "science fiction".

A report into the oil and gas sector says the "rubber's finally hitting the road" with $2.2 billion about to be spent exploring around New Zealand.

This week, dozens of people from the international oil industry are in the capital for a conference.

New Zealand Oil & Gas says it should have been developing new oil fields by now as reserves at its producing assets dwindle.

Nearly three in four New Zealanders support a law change to restrict protest near deep-sea drilling rigs or ships exploring for oil and gas.

Al-Qaeda's Syrian wing is financing its activities by selling oil from the fields that once helped to prop up the regime of Bashar al-Assad.

New Zealand company Todd Corporation is providing financial backing for a planned $1.3 billion methanol plant that will be the largest in North America.

In the midst of the public uproar about 'fracking' there has been heated debate. Environment columnist Sam Judd discusses the myths, risks and need for regulation around hydraulic fracturing.

Todd Energy report says mining technique is used safely in NZ.