The event began with a flash mob in support of global efforts to tackle climate change and continued with a march to Borisova Gradina Park in Sofia downtown.
The day program includes racing games and outdoor activities, asphalt painting on "My Green Planet", "Stop Climate Change", "My Ecological Lifestyle", making posters, racing relay games and discussing the causes of climate change and some possible ways to deal with them.
An interactive game about climate change and the impact they have on people's lifestyles was held on the stage in Borisova Garden park.
The participants welcomed the music and dance performances of student groups and ensembles.