A Westpac report shows immediate action on climate change could save NZ $30 billion.

EDITORIAL: Food security is a public concern even in New Zealand.

Destructive cyclones and changing climate - how long can New Zealand provide fresh food?

Incorporating plantain into grazed land found to reduce release of greenhouse gasses.

Ancient kauri trees are helping us understand how forests might fare in future droughts.

Warmer weather could make us prone to more foreign, disease-carrying mosquitos.

Temperatures were more than 2C above average in our summer of extremes.

The Earth got really hot, really fast once before. It didn't end well.

The oil and gas exploration industry says its waiting to be consulted on block offers

Whanganui Civil Defence model will provide a template.

We can't have politicised police; we must be sure police act for our safety not against it

A Dutch expert in sea-level-rise mitigation shares some lessons for flood-prone Aotearoa.

COMMENT: As weather gets worse, writers need to step up.

NZ First's position on oil and gas exploration is at odds with the Greens' stance.

PM's remarks may hit on multibillion-dollar oil and gas sector, MP says.

Silica could be a big energy resource as the country moves away from fossil fuels.

Government ministers says there must be a "just transition" away from fossil fuels.

Australia is experiencing incredibly protracted fire seasons.

Two Whanganui forest ventures are at odds with Ministry for Primary Industries criteria.

The US may be ordered to close down the Mexican border completely within 20 years.

NZ's leading science body joins unprecedented Commonwealth call for climate action.

Fire theories seen in the lab will be tested in the field for the first time.

Kiwi scientists return from Antarctica with important new climate-change insights.

Experts say there are three reasons why NZ may be hit again. Jamie Morton explains.

Scientists expect to find some "pretty pathetic" examples in post-summer snowline survey.

Two options offer areas for new reserves, but environment group calls process "flawed".

Commission would track NZ's carbon-slashing efforts and ensure promises are made good.

Footage shows the destroyed penguin habitat as storms hit native species hard on Noises Islands. / Supplied by Forest & Bird

Officials are intercepting more brown marmorated stink bugs and we should all be worried.

During ancient climate change, our oceans lost their oxygen, a NZ-led study finds.