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National Inventory Report: 1990-2002

New Zealand Greenhouse Gas Inventory 1990-2002 (including the Common Reporting Format (CRF) for 2002).

Only emissions of carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons and sulphur hexafluoride are included in New Zealand's total emissions figures. Emissions of carbon dioxide, methane and nitrous oxide totalled 99.4% of total emissions in 2002. To compare and total all the emissions from different gases, a Global Warming Potential (GWP) is used to convert all gases back to the equivalent warming effect of carbon dioxide. The GWP's are based on analysis by the IPCC and agreed to by parties to the UNFCCC.

Acknowledgements

Lead authors

Len Brown New Zealand Climate Change Office

Helen Plume New Zealand Climate Change Office

Key contributors

Ram SriRamaratnam Ministry of Economic Development (energy sector and CO2 emissions from the industrial processes sector)

Gerald Rys Ministry of Agriculture and Forestry (agriculture sector)

Paul Lane Ministry of Agriculture and Forestry (land use change and forestry sector)

Technical contributors and contracted specialists

CRF compilation / general: Sonia Petrie,National Institute of Water and Atmospheric Research; Charles Russell, New Zealand Climate Change Office.

Energy sector: Stuart Black, Ministry of Economic Development (also for CO2 emissions from the industrial processes sector).

Industrial processes sector: Wayne Hennessy, Coal Research Limited (non-CO2 emissions and solvents).

Agriculture sector: Harry Clark, AgResearch; Frank Kelliher, Landcare Research; Stewart Ledgard, AgResearch; David Lillis, Ministry of Agriculture and Forestry; Surinder Saggar, Landcare Research.

Land use change and forestry sector: Steve Wakelin, Forest Research; Peter Stephens and James Barton, New Zealand Climate Change Office.

Waste sector: SCS-Wetherill Environmental.

We also wish to acknowledge the many valuable contributions provided by experts from industry, local government and science organisations in the development of this inventory.