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You are here: Home / Data and maps / Indicators / Emissions of acidifying substances (version 1) / Emissions of acidifying substances (version 1) (CSI 001) - Assessment published Oct 2005

Emissions of acidifying substances (version 1) (CSI 001) - Assessment published Oct 2005

Topics: ,

Generic metadata

Topics:

Air pollution Air pollution (Primary topic)

Tags:
ozone | csi | air
DPSIR: Pressure
Typology: Performance indicator (Type B - Does it matter?)
Indicator codes
  • CSI 001
 
Contents
 

Key policy question: What progress is being made in reducing emissions of acidifying pollutants across Europe?

Key messages

Emissions of acidifying gases have decreased significantly in most EEA member countries. Between 1990 and 2002, emissions decreased by 43% in the EU-15 and by 58% in the EU-10, despite increased economic activity (GDP).

Change in emission of acidifying substances (EFTA-3 and EU-15) compared with 2010 NECD targets (EU-15 only), 1990-2002

Note: N/A

Data source:
Downloads and more info

Change in emission of acidifying substances (CC-4 and EU-10) compared with 2010 NECD targets (EU-10 only), 1990-2002

Note: Data not available for Malta.

Data source:
Downloads and more info

Key assessment

Emissions of acidifying gases have decreased significantly in most EEA member countries. In the EU-15, emissions decreased by 43 % between 1990 and 2002, mainly as a result of reductions in sulphur dioxide emissions, which contributed 77 % of the total reduction. Emissions from the energy, industry and transport sectors have all been significantly reduced, and contributed 52 %, 16 % and 13 % respectively of the total reduction in weighted acidifying gas emissions. This reduction is due mainly to fuel switches to natural gas, economic restructuring of the new Länder in Germany and the introduction of flue gas desulphurisation in some power plants. So far, the reductions have resulted in the EU-15 being on track to reaching the overall target for reducing acidifying emissions in 2010.

Emissions of acidifying gases have also decreased significantly in the EU-10 and candidate countries (CC-4). Emissions in the EU-10 Member States decreased by 58 % between 1990 and 2002, also mainly as a result of the large reduction in sulphur dioxide emissions, as in the EU-15 countries.

The reduction in emissions of nitrogen oxides is due to abatement measures in road transport and large combustion plants.

Specific policy question: How do different sectors and processes contribute to emissions of acidifying pollutants?

Sector split for emissions of acidifying pollutants (EEA member countries), 2002

Note: The EEA32 country grouping includes EEA31 member countries + Croatia

Data source:
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Sector split for emissions of acidifying pollutants (EU-15), 2002

Note: Data from EEA sectors "fugitive emissions", "other non energy" and "unallocated" are aggregated into sector "others".

Data source:
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Sector split for emissions of acidifying pollutants (EU-10), 2002

Note: Data from EEA sectors "fugitive emissions", "other non energy" and "unallocated" are aggregated into sector "others"

Data source:
Downloads and more info

Contribution to total change in acidifying pollutant emissions for each sector and pollutant (EEA member countries), 2002

Note: 'Contribution to change' plots show the contribution to the total emission change between 1990-2002 made by a specified sector/ pollutant

Data source:
Downloads and more info

Contribution to total change in acidifying pollutant emissions for each sector and pollutant (EU-15), 2002

Note: 'Contribution to change' plots show the contribution to the total emission change between 1990-2002 made by a specified sector/pollutant.

Data source:
Downloads and more info

Contribution to total change in acidifying pollutant emissions for each sector and pollutant (EU-10), 2002

Note: 'Contribution to change' plots show the contribution to the total emission change between 1990-2002 made by a specified sector/pollutant

Data source:
Downloads and more info

Specific assessment

Since 1990, the largest absolute decrease in emissions within the EU-15 has occurred in the energy industries sector, which contributed 52% of the total reduction in emissions of acidifying substances. The most significant EU-15 emission sources in 2002 were agriculture (31%), energy industries (27%), road transport (17%) and energy use in industry (10%). In 2002, the EU-15 relative weighted contribution to acidification from SO2 emissions was 31%, NOx emissions 36% and NH3 emissions 33%. Emissions of nitrogen oxide have fallen since 1990 due to abatement measures in road transport and large combustion plants, but these have to some extent been offset by increased road traffic. Ammonia emissions in the EU-15 are stabilising although agriculture emissions, the major source, are very uncertain and difficult to control.

The EU-10 has experienced a similar percentage reduction of emissions since 1990 from the energy industries as in the EU-15, with 45% of the total reduction in the EU-10 emissions of acidifying substances occurring from this sector. Over the same period, emissions from the Industry (energy) and agriculture sectors have also decreased significantly. In 2002, the most significant EU-10 sources were energy industries (36%), agriculture (21%), industry energy (13%), and road transport and other transport (14%). In 2002, the EU-10 relative weighted contribution of SO2 emissions was 53%, NOx was 24% and NH3 emissions contribution was 23%.

Data sources

More information about this indicator

See this indicator specification for more details.

Contacts and ownership

EEA Contact Info

Martin Adams

Ownership

EEA Management Plan

2010 (note: EEA internal system)

Dates

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