 His work has also been featured in more than 120 group exhibitions, including Personal Torment–Human Response (1969, Whitney Museum of American Art); Who Chicago (1981, Camden Art Center, London); 12 Chicago Artists (National Collection of Fine Arts, Smithsonian Institution); and Chicago Imagists (2011, Madison Museum of Contemporary Art, Wisconsin).In 2005, the Kitchener-Waterloo Art Gallery, Ontario mounted Heavy Weather, the artist's first career retrospective.In early 2009, the CUE Art Foundation, New York hosted a solo exhibition of Green's work, curated by Jim Nutt.