objective - to provide for comprehensive protection of the Antarctic environment and dependent and associated ecosystems; applies to the area covered by the Antarctic Treaty

consultative parties - (27) Argentina, Australia, Belgium, Brazil,
Bulgaria, Chile, China, Ecuador, Finland, France, Germany, India,
Italy, Japan, South Korea, Netherlands, NZ, Norway, Peru, Poland,
Russia, South Africa, Spain, Sweden, UK, US, Uruguay

non consultative parties - (16) Austria, Canada, Colombia, Cuba, Czech Republic, Denmark, Greece, Guatemala, Hungary, North Korea, Papua New Guinea, Romania, Slovakia, Switzerland, Turkey, Ukraine

Protocol to the 1979 Convention on Long-Range Transboundary Air
Pollution Concerning the Control of Emissions of Nitrogen Oxides or
Their Transboundary Fluxes

note - abbreviated as Air Pollution-Nitrogen Oxides

opened for signature - 31 October 1988

entered into force - 14 February 1991

objective - to provide for the control or reduction of nitrogen oxides and their transboundary fluxes

parties - (28) Austria, Belarus, Belgium, Bulgaria, Canada, Czech
Republic, Denmark, Estonia, EU, Finland, France, Germany, Greece,
Hungary, Ireland, Italy, Liechtenstein, Luxembourg, Netherlands,
Norway, Russia, Slovakia, Spain, Sweden, Switzerland, Ukraine, UK, US

countries that have signed, but not yet ratified - (1) Poland