Mattingly creates sculptural ecosystems in urban spaces such as a floating food forest in New York called Swale and a performative sculpture, Pull, for the International Havana Biennial with the Museo National de Belles Artes de la Habana and the Bronx Museum of the Arts. Her work has been exhibited at Storm King Art Center, the International Center of Photography, Seoul Art Center, the Brooklyn Museum, and the Palais de Tokyo. Mattingly has been awarded grants and fellowships from the James L. Knight Foundation, Eyebeam Center for Art and Technology, Yale University School of Art, the Harpo Foundation, NYFA, the Jerome Foundation, and the Art Matters Foundation. Her work has been featured in Aperture Magazine, Art in America, Artforum, Sculpture Magazine, The New York Times, New York Magazine, Le Monde Magazine, New Yorker Magazine, and on BBC News, NPR, and on Art21’s New York Close Up series. Her work has been included in books such as the Whitechapel/MIT Press Documents of Contemporary Art series titled “Nature” and edited by Jeffrey Kastner, Henry Sayre’s A World of Art, 8th edition, published by Pearson Education Inc. and has a monograph “What Happens After” Hirmer, December 2022. Mattingly has lectured at institutions including Yale University School of Art; Harvard University; University of Oxford; University of Michigan; the Conference on World Affairs in Boulder, CO; The College Art Association; Democracy Alliance, New York Armory (Art21); The Museum of Modern Art; The Bronx Museum of the Arts; The Queens Museum of Art; The Massachusetts Institute of Technology; and the Brooklyn Public Library (Night of Philosophy and Ideas).