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

When fresh water meets salty water - a classroom exercise that explores the physics of estuaries.

NIWA provides ambient air quality monitoring services using low-cost ODIN (Outdoor Dust Information Node) sensors.

This identification guide covers the common crustose coralline algae found in central New Zealand.

Tornadoes, like the one that hit Auckland's western suburbs today, are relatively rare events in New Zealand.

The climate of Otago is perhaps the most diverse of any region in New Zealand.

Dog Island levels

Where and when do white sharks occur in New Zealand waters, and how can fisheries bycatch be reduced?

Various industries and land use activities have the potential to impact on water quality and mahinga kai unless properly managed.

Longfin eels are the largest and longest-lived fish in New Zealand's freshwaters, and where they are present they are the top predator.