COMMENT: Environment Commissioner's report lacks proper scientific understanding.

Increased Russian submarine activity in the Arctic is prompting the UK to act.

PM Jacinda Ardern announces extra funding, challenges others to do their bit.

A bill to give effect to the controversial ban on now offshore exploration is now ready.

Vast area of Antarctica retreated when Earth's temperatures weren't much warmer than now.

Greenpeace NZ senior campaign advisor Steve Abel talks about the Rainbow Warrior, climate change and the transition to clean energy.

The Greenpeace protest ship is spreading the message about climate change.

Warmer world makes for nastier hurricanes, they possess more energy and intensify faster.

Never before has a hurricane threatened the East Coast with nearly 1.2m of rainfall.

NZ scientist teaming up with an international effort searching for life beyond Earth.

Climate change may threaten even the darkest depths of world-renowned Great Barrier Reef.

Why do climate deniers stick to their beliefs despite overwhelming scientific evidence?

Unlike its southern equivalent, the North Pole is a destination without a marker.

The signs are that methane from livestock will be treated differently to CO2 emissions.

Productivity Commission's findings have some nasty fish-hooks for agriculture.

A low-emissions economy for NZ is "challenging but achievable", commission's report finds.

COMMENT: Business is waking up to the need to reduce carbon emissions

Full interview: Helen Clark on Jacinda Ardern, Trump and the apocalypse. Video / Chris Tarpey

The Great Dying killed 90 per cent of species after a gigantic volcanic eruption

The impact of farming, forestry and climate change on our lakes is captured from space.

Power plant plan could release millions of tonnes of CO2 into the atmosphere.

Study found a 50 per cent spike in hospital visits during red-tide blooms.

COMMENT: Power takes some getting used to for the Green Party.

Record heat is raising ocean temperatures to new levels and experts are concerned.

A new forecast system has revealed the years 2018 till 2022 are going to anomalously warm.

NZ's Zero Carbon Act could fail unless it accounts for different gases, researchers argue.

Another study has warned NZ's climate could revert to state of 50 million years ago.

A warming New Zealand could help pine forests grow - but not without extreme fire risk.

Māori nationwide to be asked: "What is keeping you awake at night?"

Parts of the planet may have 60m sea level rises even if targets are met, scientists warn.