[3]In particular, Ecoglasnost organized public petitions, lobbying and demonstrations against the controversial projects of diverting Struma and Mesta Rivers waters to the north, and building the Belene Nuclear Power Plant.

Position papers and reports on these issues and on the preservation of Bulgarian nature heritage were disseminated as samizdat, made available to domestic and Western media, and submitted to national authorities as well as to the 35-nation CSCE Meeting on the Protection of the Environment held in Sofia from 16 October to 3 November 1989.

[4][5][6] Ecoglasnost played an important role in the political process that lead to the regime change marked by the downfall of the longtime communist ruler Todor Zhivkov on 10 November 1989, paving the way to the restoration of democracy and market economy in Bulgaria: On November 3, Ecoglasnost delivered the crucial blow to the Communist political system.

... At least 10,000 people came and marched to parliament, carrying posters and chanting the word ‘democracy’.

Ten days ago Ecoglasnost a pro-reform ecology movement rallied more than 4,000 supporters in Sofia for the first unofficial demonstration to be authorized since Bulgaria came under communist rule.