With drought and other challenges facing Arizona leaders in ensuring the state’s future will include adequate and dependable sources of water, a variety of potential options are being explored. Paul Westerhoff, chair of ASU’s environmental engineering program and a professor in the School of Sustainable Engineering and the Built Environment, part of the Fulton Schools, describes strategies being considered. Those include importing water from major rivers and the Gulf of California and atmospheric water capture. Westerhoff emphasizes that any option will require adequate funding sources, new, complex and extensive infrastructure systems, upgraded purification processes and possibly investment in a revolutionary hydrogen energy economy.