Scientists exploring the Kermadec Trench believe they have retrieved the deepest ever sediment sample from the bottom of the ocean using a wire-deployed corer.

New Zealand has low-lying coastal areas that are vulnerable to inundation (flooding) by the sea.

Water clarity or turbidity is the cloudiness or haziness in a fluid caused by individual small particles (suspended solids).

Impacts of hydro-electric activities on water quality and mahinga kai.

The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere.

About snapper eggs

Tairua station

Dairy farms operate to maximise milk production

Once eels become migrants (also known as tuna heke or tuna whakaheke) they stop feeding, and progressively develop the external features that clearly distinguish them from 'feeders'.

How can mining activities influence sediments in waterways?

Climate data and common terms explaining the causes and effects of climate change.