Convention on Long-Range Transboundary Air Pollution (Nitrogen Oxides
Protocol)
note - abbreviated as Air Pollution-Nitrogen Oxides
date opened for signature - 1988
objective - to provide for the control or reduction of nitrogen oxides and their transboundary fluxes
parties - (23) Austria, Belarus, Bulgaria, Canada, Czech Republic,
Denmark, European Union, Finland, France, Germany, Hungary, Italy,
Liechtenstein, Luxembourg, Netherlands, Norway, Russia, Slovakia,
Sweden, Switzerland, Ukraine, United Kingdom, United States
note - the following countries have signed, but not yet ratified the convention: Belgium, Greece, Ireland, Poland, Spain
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Convention on Long-Range Transboundary Air Pollution (Sulphur Protocol)
note - abbreviated as Air Pollution-Sulphur
date opened for signature - 1985; a second protocol to further reduce sulfur dioxide emissions was completed in 1994