Aotearoa’s main urban areas cover approximately 2% of total available land.

Explore our education and information section to find out about climate and climate change, weather, our atmosphere, estuaries and more.

QGIS is a free, open source, desktop mapping tool, widely used in New Zealand in government, research, commercial and NGO arenas.

Here is our complete range of products.

Trees are grown and converted into a range of useful timber and paper products.

Tuna harvested from Lake Ōmāpere and Utakura River catchment have long comprised an important fishery for tangata whenua.

CASAL is an advanced software package developed by NIWA for fish stock assessment.

There are several ways to tell the three New Zealand eel species apart.

NIWA's mission is to conduct leading environmental science to enable the sustainable management of natural resources for New Zealand and the planet.

These datasets are available in a range of formats.

An overview of Science at NIWA