New Zealand has a high chance of seeing warmer than average temperatures this spring.

Changing the flow rates of our rivers hurt the fish within them. A scientist explains why.

Heavy rain is forecast in some parts of the country from tonight

Tornado killed three people and wrecked houses 69 years ago today.

Kiwi scientists have helped unlock frozen secrets that change what we know about methane.

An East Coast study could make a lucrative, climate-friendly case for more native forest.

Why are power companies exempted from Labour's water tax?

It'll be a warm, wet spring across the country, forecaster says.

Wellington could end up with a climate closer to Sydney's, if nothing is done.

Niwa warns Auckland may still be in for some heavy weather.

As the country braces for four days of atrocious weather, one person doesn't seem to mind.

Four months after extreme flooding, businesses are still struggling to survive.

"Dangerous" weather is hitting as intense downpours, thunderstorms and hail move in.

Dozens of puffer fish wash up on an NZ beach - prompting warnings over their toxicity.

Researchers have found 'nationally significant' marine habitats at Kapiti Island.

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

Hunker down - days of rain, gales and snow are on the way.

This Piha Beach crustacean shows some creatures can have tide-influenced body clocks.

A supercomputing upgrade will give researchers the data-crunching power of 16,000 laptops.

Scientists are set to eavesdrop on the critically endangered Maui dolphin.

Water quality in cities was twice as bad as on farmland, Nick Smith said today.

Some orchardists using windmills, frost fans and overhead irrigation to combat a freeze.

Cyclone Donna is deteriorating but will still bring heavy rain to parts of New Zealand.

Studies find major tree-planting efforts needed as well to curb greenhouse gases.

A climate scientist gives a 25 per cent chance of Tropical Cyclone Donna visiting NZ.

NZ's cyclone season has been back-loaded, but ultimately close to normal, NIWA says.

Whangaparaoa was drenched with nearly five times its normal April rainfall, figures show.

After April's deluge, rainfall between now and July is set to be closer to normal.

Pesky pine pollen from New Zealand forests could be altering far-away ocean ecosystems.

If it feels like it's been the most rain-soaked April ever, weather books have the proof.