Atmospheric analysis

Al Brown is an award-winning chef, co-owner of Wellington’s Logan Brown restaurant, television presenter on Hunger for the Wild, writer, and fisherman.

Returning water to our waterways after we’ve used it in our homes, on farms and in industry is a complex and challenging process.

A participatory project empowering communities with self-help tools to improve water, sanitation and hygiene.

Estuaries are at the bottom of the freshwater drainage network and, effectively, are a part of it. This means that every time we act to protect and enhance streams and rivers we are also benefiting the estuary at the downstream end.

There are two species of kōura or freshwater crayfish in Aotearoa.

How do nutrients from wastewater treatment enter waterways?

Kaharoa is capable of working throughout New Zealand's EEZ and further afield.

Information about past climate is obtained from piecing evidence together from various sources.

Water take (also known as water abstraction) has a range of valuable public and private uses.

Instrument Systems is a specialised technology-focused consulting group within NIWA.

Atmospheric carbon dioxide (CO2) is measured continuously at Baring Head, providing the longest running record of this type in the Southern hemisphere.