How rapidly are transport-related emissions of acidifying substances declining?

Policy Question
Indicator codes: ENER 006

Key messages

(21 Mar 2012)

Energy-related emissions account for only 2% of NH3 emissions but 96% of NOx and 94% of SO2 emissions in the EEA-32 in 2009. They fell by 17%, 13% and 21% respectively between 2005 and 2009 in EEA-32 countries. Since 1990, these energy related emissions declined by 40% and 78% for NOx and SO2 respectively but increased by 88% for NH3 in the EU-27 and declined by 37% (NOx) and 74% (SO2) and increased by 92% (NH3) in EEA-32 member countries. However as noted earlier the percentage of energy related NH3 emissions are insignificant compare do the non-energy related NH3 emissions. Most of the total reduction in pollutants contributing to acid deposition since 1990 is accounted for by lower SO2 emissions from the energy-producing sector and lower NOx emissions from the transport sector. The EU-27 is broadly on track to meet its overall targets set under the NEC Directive (NECD)[1], however further reductions are needed to improve remaining local and transboundary air pollution issues, and for ensuring that individual countries meet emissions ceiling targets under the NECD and the UNECE Gothenburg Protocol.

[1] See Pollutant Specific Factsheet NOx

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