How far can artists and their work change the world? Can artistic endeavour lead to concrete action to mitigate the impact of global warming, or is this fanciful? Zeinab Badawi is at the Tate Modern in London, interviewing award-winning Danish-Icelandic artist Olafur Eliasson about his new exhibition and why he believes art can be a force for good in the world.
Image: Olafur Eliasson (Credit: Neil Hall/EPA)