Climate change

To prepare for changes in climate, our freshwater and oceans decision-makers need information on species vulnerability to climate change.

Developing probabilistic scenarios of expected future regional climate changes.

New Zealand has just experienced its warmest winter on record, according to official NIWA climate data.

Ocean acidification is the name given to the lowering of pH of the oceans as a result of increasing carbon dioxide (CO2) in the atmosphere.

The greenhouse effect is a warming of the earth's surface and lower atmosphere caused by substances which let the sun's energy through to the ground but impede the passage of energy from the earth back into space.

The Intergovernmental Panel on Climate Change (IPCC) is charged with assessing the most up to date scientific, technical and socio-economic research on climate change.

Projections of how climate change is likely to affect New Zealand.

There are many lines of evidence showing that NZ has warmed during the past century.

Temperature trends from 1930s to present day

Defining drought and identifying its causes and impacts on humans.

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

Glass eels (about 5.5 to 7.0 cm) arrive in fresh water during spring, especially during September and October, although they may be present from July to December.