http://www.bbc.co.uk/news/world-europe-16626580
Bulgaria now joins France...in banning shale gas drilling...using the 'fracking' method of exploration.
Its parliament voted overwhelmingly for a ban...after protests by environmentalists that it may poison water...and even cause earthquakes.
Sofia has revoked a shale gas permit for the USA's Chevron.
Bulgaria currently relies on Russian nat gas.
