-
How can carbon emissions be weighed?
The mass of carbon emissions can easily be calculated. -
Yesterday's UV Index
Plots of UV levels throughout the day at different locations. -
Atmospheric ozone, ultraviolet radiation, and stratospheric change
Research ProjectCFCs have damaged the ozone layer and led to higher UV levels and increased health risks. Our role is to understand the causes and effects of ozone depletion, to inform the public of the risk. -
Personal UV Dosimeters
NIWA has developed personal UV dosimeter badges to support studies relating UV exposure to human health. -
What is the greenhouse effect?
Education ResourceThe 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. -
Trace gas datasets
ServiceNIWA makes a range of trace gas data freely available on our FTP site. -
Publicly available data and publications
FacilityNIWA makes available and regularly updates results from several greenhouse gas measurement projects. -
Carbon dioxide
FacilityAtmospheric carbon dioxide (CO2) is measured continuously at Baring Head, providing the longest running record of this type in the Southern hemisphere.