Tuna, or freshwater eels, are the most widespread freshwater fish in New Zealand. This 'living' educational resource summarises a large amount of scientific and technical literature.

If you're moving to join us here at NIWA, we want to say thanks for choosing us by helping you with your big move.

Because of its exposure to disturbed weather systems from the Tasman Sea, this climate zone is often quite windy, but has few climate extremes.

One of the major consequences of climate change is rising global sea levels.

New Zealand's first eel farm was established in 1971. Despite other farms opening in later years, no eel farms remained by the start of the 1980s.

Here are some simple steps to minimise the effects of dairying on water quality and mahinga kai.

Learn about different kinds of beachs and how they form, with diagrams and examples of each type.

Urbanisation has changed the face of many waterways that flow through urban areas

Some commonly-asked questions about tornadoes in New Zealand.

A glossary of common climate change and meteorological terms.

The coldest seawater on earth could help scientists understand why Antarctic sea ice is growing in a warming world