(late 1960-early 1970s)
In its use of poor materials, this movement developed against a background of increasing concern with environmental and ecological issues.
As in the arte povera movement, nature itself became art and the representation and symbolization of nature were rejected. The very insubstantiality and ephemeral nature of some materials was highlighted.
D Wheeler, Art Since the Midcentury - 1945 to the Present (London, 1991)