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RIVM report 773301 001 / NRP report 410200 051 page 49 of 142
consumption till 1994, since that time is the annual decrease in emissions (of about 14%) is about half
the annual decrease in consumption (about 30%). This is caused by the part of the compounds
consumed that are embedded in applications with a long lifetime released after a delay of several
years.
Fig. 2.10 shows the spatial distribution of CFC emissions in the reference year, 1986, in ton CFC-
11-equivalents, clearly illustrating the KRWVSRWV of the world in terms of ODP-eq./km 2 for the USA,
European Union - in particular the Netherlands, Belgium and Germany - and Japan. As a result of
CFC substitution, global use of the substituting compounds HCFCs and HFCs are expected to
increase substantially. The consumption of HFCs is particularly important since they contribute to
greenhouse gas emissions.
In terms of CO 2 -equivalents, CFC emissions show a similar pattern as in CFC-11-eq. A country
with a high historical CFC use, as shown in Figure 2.10, may show a sizeable contribution of CFC
substitutes to national CO 2 -eq. emissions in the future.
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