The numbers make the Polish economy one of the dirtiest in Europe, second only to Estonia: 95% of Poland's energy is currently generated by old-fashioned coal plants, compared to France, which gets 40 percent of its power from 'clean' nuclear plants. Estonia's main environmental problem is its practice to extract oilshale and burn it in power plants to keep electricity production costs low.
http://balticbusinessnews.com/article/2009/12/14/Poland_Estonia_on_top_of_McKinsey_s_league_of_dirt
