The latest evidence that 2015 was a breakout year for clean energy is in, and it's particularly telling.

The New Zealand dollar rose as oil prices gained from a 12-year low and Chinese stocks gained in afternoon trading.

United States oil futures in New York slid to the lowest in 12 years as turmoil in China's markets pushes crude closer to US$30 ($45) a barrel.

Former Contact Energy director Phil Pryke is an Australian prawn fisherman-turned-hippie, who washed up here in the mid-1970. Pattrick Smellie writes that he has never been far from controversy since.

Iran will raise its oil exports by 500,000 barrels a day within a week after the removal of international sanctions.

Wind and solar power appear set for a record-breaking year in 2016 as a clean-energy construction boom gains momentum.

Fraser Whineray talks big opportunities to tackle climate change with renewable electricity.

Oil is headed for its biggest two-year loss on record as an expansion in U.S. crude stockpiles exacerbated a global glut.

For an industry that already was pushing its cost-cutting efforts to the limits, the new declines are a devastating blow.

It is still common practice in many households to wash the dishes by hand to get all the grimy food off of them, but here's why you shouldn't.

The price of petrol is falling, aided and abetted by a regional price war, but has it declined far enough, given the slump in oil prices?

Wall Street moved lower with the price of oil amid concern about the global glut at a time of weakening worldwide economic growth.

The Court of Appeal has dismissed an appeal by New Zealand Carbon Farming against a decision in favour of Mighty River Power over a $34.7 million liability.

Mike Bennetts has driven Z Energy since its inception and this year has been a particularly strong one for shareholders.

Contact Energy's stock price slumped as the power firm failed to meet market forecasts amid tough competition and higher than expected costs related to bad debt and the separation from Origin Energy.

For Berliner Anke Seemann, Germany's energy transformation is the chance to exercise her green conscience.

A cartoon circulating on Twitter carries a warning for the oil industry.

Homeowners who suffered up to three days without power during a huge blackout will get just $50 each.

The world is running out of storage facilities supplies of oil and may soon exhaust tanker space, raising the chances of a plunge in crude prices.

One of the architects of the world's biggest sovereign wealth fund says pension plans face increasingly complex decisions over responsible investment, particularly in energy.

An employee who took customer details to start a competing gas supply business has been ordered to pay millions in damages.

Vector has launched the first rapid electric vehicle chargers in downtown Auckland.

A green overhaul by Auckland Council is expected to save ratepayers nearly three quarters of a million dollars each year.

Executive Mark Binns says a new wind farm is one of the options on the table if Meridian can't convince Genesis to keep open two electricity plants.

A mission to Ceres, a dwarf planet 257 million miles from the Sun and the size of Texas, may cost about $27 billion.