TNAG-2810-FCO40-4055-Future-of-Hong-Kong-International-Rights-and-Obligations-(IR-1993 — Page 8

A/AC.237/34 English Page 16

Annex II

CATEGORIES OF SOURCES AND SINKS FOR NATIONAL GREENHOUSE GAS INVENTORIES, RECOMMENDED BY THE IPCC PROGRAMME

Source categories/emissions

Total (net) national emission

I. All energy (fuel combustion and production,

transmission, storage and distribution

A. Fuel combustion activities

energy and transformation industries

industry (ISIC)*

transport

commercial/institutional

residential

agriculture/forestry

other

biomass burned for energy

B. Fuel production, transmission, storage and

distribution

crude oil and natural gas

coal mining

II. Other industrial production processes (ISIC)

A. Chemicals

B. Non-metallic mineral products

C. Other (ISIC)

III. Solvent and other product use

IV. Agriculture

A. Enteric fermentation

B. Animal wastes

C. Rice cultivation

D. Agricultural soils

E. Agricultural waste burning

F. Savannah burning

V. Land-use change

A. Forest clearing

B. Conversion of grasslands to cultivated lands

C. Plantation establishment

D. Logging/Managed forests

E. Abandonment of managed lands

VI. Public service

A. Landfills

B. Sewage treatment

C. Other

CO,

CH

N,O

NO,

CO

NMVOC

Source: IPCC "Preliminary IPCC national GHG inventories: in-depth review, part III" (Bracknell, 1983) p. 93.

Notes:

*NMVOC

ISIC

A hyphen (-) indicates that the item is not applicable.

non-methane volatile organic compounds

International Standard Industrial Classification

* CO2 from biomass burning should be estimated but not included in the energy category total. If net CO2 emissions result (that is, from unsustainable bioenergy use), this will appear in the land-use change category.