Having recently opened its third edition, Helsinki Biennial marks what is undoubtedly a new departure in eco-biennales, writes Louisa Buck

Artists and curators grapple with creating works that draw attention to the problem while also relying on travel and shipping to share them

The layered history and uncertain future of a small island in the Finnish archipelago is used as a microcosm for the world via site specific works by 41 artists

Prospect.5 commemorates the 15th anniversary of Hurricane Katrina and its all change as Liverpool Biennial gets a new director