Rural, urban, and suburban wastewater treatment methods.

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

An estuary is a partially enclosed body of water formed where freshwater from the land meets and mixes with saltwater from the ocean.

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.

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

Pauanui South Cam-era station

Some commonly-asked questions about tornadoes in New Zealand.

NIWA collects and manages significant amounts of New Zealand's environmental data, particularly in the climate, freshwater, marine and atmosphere domains.

NIWA offers a range of standard toxicity tests for both freshwater and marine environments.

View annual, seasonal and monthly summaries of temperature, rainfall and sunshine data from across New Zealand.

View data that show reported target catch and estimated bycatch.

Forest plantations in Aotearoa can be found on flat, gently rolling, or very steep terrain.