Alongside Sofia, three other Bulgarian cities made the list: Varna, which ranked 213th with an index of 35.7%; Burgas, in 226th place with 33.9%; and Plovdiv, in 235th position. At the other end ...
More than 300 cities and towns in Central and Eastern Europe will officially participate in Earth Hour 2014 on Saturday, 29 March between 8.30 and 9.30 pm. The countries of WWF’s Green Heart of Europe ...
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