Margaret Livingston Editor

Richard A. Malloy is a manager for environmental projects for Arizona State University for the School of Applied Sciences and Mathematics and the Biodesign Institute. He currently oversees projects and facilities dedicated to advancing biotechnology and sustainable solutions to environmental challenges for Arizona State University.

John H. Brock is professor emeritus at the School of Applied Sciences and Mathematics department at Arizona State University (ASU) and founder of the firm Brock Habitat Restoration & Invasive Plant Management LLC. He operates a consulting firm in the area of invasive plant management and landscape restoration.

Anthony C. Floyd, AIA, is a registered architect and green building program manager for the City of Scottsdale. He maintains the city’s green building rating standards for residential and commercial development and helps to facilitate Scottsdale’s LEED gold mandate for newly constructed and renovated public facilities.

Margaret Livingston is a professor in the School of Landscape Architecture and Planning at the University of Arizona. She teaches a range of courses related to ecological and environmental issues in arid environments and has locally and internationally conducted lectures and workshops that focus on water conservation, wildlife habitat, and use of native plants in urban areas.

Robert H. Webb has worked on long-term changes in natural ecosystems of the southwestern United States since 1976. Since 1985, he has been a research hydrologist with the U.S. Geological Survey in Tucson and an adjunct faculty member of the Departments of Geosciences and Hydrology and Water Resources at the University of Arizona. He has authored, coauthored, or edited 12 books.