I nternational organisations:
GEF – Global Environment Facility
UNDP – United Nations Development Programme
UNEP – United Nations Environment Programme
WMO – World Meteorological Organization

C limate change terms:
CoP – Conference of the Parties
GHG – greenhouse gases
IPCC – Intergovernmental Panel on Climate Change
NC – National Communications
UNFCCC – United Nations Framework Convention on Climate Change

A bbreviations for chemical compounds:
CH₄ – Methane
N₂O – Nitrous Oxide
CO₂ – Carbon Dioxide
CO – Carbon Monoxide
NO_x – Nitrogen Oxides
NMVOC – Non-Methane Volatile Organic Compound
NH₃ – Ammonia
CFCs – Chlorofluorocarbons
HFCs – Hydrofluorocarbons
PFCs – Perfluorocarbons
SF₆ – Sulphur hexafluoride
CCL₄ – Carbon tetrachloride
C₂F₆ – Hexafluoroethane
S0₂ – Sulphur Dioxide

G lossaries in Internet:

• “Glossary of Climate Change Terms” by the United States Environmental Protection Agency;
• “Annotated Glossary of Commonly Used Climate Change Terms” by the Center for Sustainable Development of the Americans;
• “Glossary of Trading Terminology” concerning the Kyoto Protocol by the Trading Post
• Centre for Sustainable Development of the Americas
• UNFCCC
• Climate Action Network
• Australian Greenhouse Office
• US Environmental Protection Agency