Alpine plants are at risk as climate change and tourism spread weeds to higher altitudes.

NZ scientist Associate Professor Chris de Freitas has died after a struggle with cancer.

What can the City of Sails learn from the City of Light to make itself greener?

How much Earth will warm in response to greenhouse gas emissions is difficult to answer.

Two Waikato University researchers discuss what Kiwis think about climate change.

A fight is brewing over a council move requiring more than 30 property owners to move.

Hawking said Trump's action could lead to "temperature of two hundred and fifty degrees".

The schooner Tara is on a global expedition to better understand the state of our oceans.

Sir Peter Blake's former schooner is making a well-timed visit to Auckland this weekend.

NZ scientists are preparing to probe the France-sized Ross Ice Shelf in Antarctica.

Scientists are creating an ice archive sanctuary in Antarctica.

Pressure mounts on Auckland University-linked funds to divest from fossil fuel companies.

Century-old specimens collected by Scott's expedition yield fresh Antarctic insights.

More than 11,000 hours of staff time went into putting out the devastating fires.

COMMENT: How to make sense of a world that no longer makes any sense.

The Greens want a higher refugee quota - and for rich foreign investors to pay for it.

Climate change is bad news for New Zealand's quirky, rain-hating trapdoor spider.

Celebrities, scientists, doctors and businesspeople join a new push for climate action.

Emissions trading scheme isn't fit for purpose.

Would you eat a mealworm cookie or a cricket energy bar? Researchers want to know.

Global warming is making scorching post-El Niño temperatures even worse in Southeast Asia.

Tillerson could not defend the indefensible tweet which sank to criticising London mayor.

Rex Tillerson said the US record on climate change is unparalleled. Is he right?

US Secretary of State Rex Tillerson said the US wants to retain influence in Asia-Pacific.

Trump is doing what he said he would do says English.

As climate changes, so does the frequency and magnitude of floods and droughts.

A domain name - Covfefe.co.nz - inspired by a Donald Trump gaffe is for sale on Trade Me.

"Where's the money honey," asks one mayor over the cost of preparing for sea level rises.

COMMENT: Construction boom means we need strategies to offset 'urban heat island'.

Will Donald Trump's withdrawal from the Paris Agreement be felt here?