In this way citizens of the world will be urging decision-makers to seriously tackle climate change before these meet for a UN-sponsored climate summit on 23 September.

While the march was called for New York City, US, by environmental organisation 350.org, it was intended to be global in scope and implication.

Several NGOs have announced to take part in the Ljubljana event, including Greenpeace, Focus, Umanotera, Solayea Institute and other groups.

One of the speakers here will be philosopher and activist Luka Omladič of the Ljubljana Faculty of Arts.