Why it’s important for trees to show up on the map even where they don't actually grow

This year's edition of the Gabrovo Biennale combines the city's iconic frugality with ecology, and we spoke to the director of the Museum of Humor and Satire, Margarita Dorovska, about it

The Clubtopia project helps owners retrofit their clubs to make them greener

There is urban agriculture in Bulgaria, but it needs institutional support to develop