Helsinki Convention on the Protection of the Marine Environment of the Baltic Sea Area Finland, Germany, Latvia, Lithuania, Poland, Russia and Sweden. The Convention on the Protection of the Marine Environment of the Baltic Sea Area, 1992, entered into force on 17 January 2000. The States-Parties to the Convention agreed individually or jointly to take all appropriate legislative, administrative or other relevant measures to prevent and eliminate pollution in order to promote the ecological restoration of the Baltic Sea Area and the preservation of its ecological balance. The Parties undertake to apply: The aim of the States-Parties to the Convention is to prevent and eliminate pollution of the marine environment of the Baltic Sea
Latvia–Russia relations time, often replacing those who were deported. The high influx of Russians and the removal of Latvian as the official language caused further deteriorations in the Latvia-Russian relations between citizens. In 1991, Latvia regained independence from the USSR through the Latvian independence and democracy poll, 1991. On April 2004 Latvia expelled Second Secretary of the Russian Embassy in Rīga Pyotr Uzhumov, who had allegedly trying to gather information on Latvia's defence forces, for activities "incompatible with his diplomatic status" to which Russia responded by expelling first secretary of the Latvian Embassy in Moscow. In 2007, the border treaty between the