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Abbreviations and Acronyms

°C
Temperature in degrees Celsius
CCL4
Carbon tetrachloride
CFC
Chlorofluorocarbon
CH4
Methane
CO
Carbon monoxide
CO2
Carbon dioxide
DU
Dobson Unit-used to describe the amount of ozone above a particular location
EECA
Energy Efficiency and Conservation Authority
ENSO
El Niño/Southern Oscillation (i.e. a recurrent weather pattern triggered by air pressure changes in the Pacific).
FCCC
The United Nations Framework Convention on Climate Change
GCM
General Circulation Model (i.e. a computer model of the world's climate)
Gg
Gigagrams (i.e. a billion grams or a million tonnes)
GWP
Global Warming Potential (i.e. a measure of the potency of each greenhouse gas)
H2
Hydrogen
HBFC
Hydrobromofluorocarbon
HCFC
Hydrochlorofluorocarbon
HFC
Hydrofluorocarbon
H2O
Water
INC
Intergovernmental Negotiating Committee of the Framework Convention on Climate Change
IPCC
Intergovernmental Panel on Climate Change
IRL
Industrial Research Limited
MED
Minimum erythemal dose (the minimum amount of radiation that causes reddening of the skin)
mb
Millibars (a measure of atmospheric pressure)
nm
nanometres-a wavelength measurement
NIWA
National Institute of Water and Atmospheric Research Ltd
NMVOC
Non-methane volatile organic compounds (i.e. carbon-based gases other than methane)
NO
Nitric oxide
NO2
Nitrogen dioxide
NOx
Oxides of nitrogen (i.e. NO and NO2)
N2O
Nitrous oxide
O2
Molecular or common oxygen
O3
Ozone
ODP
Ozone Depleting Potential
OECD
Organisation for Economic Cooperation and Development
PFC
Perfluorocarbon
ppb
parts per billion (i.e. the concentration of a substance in air or water)
ppbv
parts per billion by volume
ppm
parts per million
ppt
parts per trillion
PFC
Perfluorocarbon
PSC
Polar stratospheric cloud
QBO
Quasi-Biennial Oscillation (a global atmospheric circulation effect)
QPS
Quarantine and pre-shipment
R-B
Robertson-Berger Meter (an instrument for measuring ultraviolet radiation)
SF6
Sulphur hexafluoride
SOI
Southern Oscillation Index (i.e. a scale showing the presence and intensity of the ENSO)
TOMS
Total Ozone Mapping Spectrometer-a satellite instrument to measure ozone
UNEP
United Nations Environment Programme
UV-A
Ultraviolet- A radiation (320-400 nanometres)
UV-B
Ultraviolet-B radiation (290-320 nanometres)
UV-C
Ultraviolet-C radiation (200-290 nanometres)
WMO
World Meteorological Organisation