In 1947, the Baltic Sea froze over. An exceptionally harsh winter covered the entire sea with ice, from Poland and Germany in the south to Finland and Sweden in the north. It was the last time this happened, and there is a good chance it will not happen again in the foreseeable future.
Over the past century or so, the Baltic Sea’s maximum winter ice cover has shrunk by about 30 percent. In 2020, ice cover reached its lowest level since measurements began in the 19th century: only…more
Source www.ynetnews.com
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