Takes a comprehensive view of ironwood habitats in both the United States and Mexico, evaluating the ecological and cultural resources supported by the ancient ironwood tree. The study provides an overview of the history and ecology of desert ironwood, and a discussion of the binational research effort undertaken to produce the report.

Arizona is now entering a new era of water challenges prompted by the need to consider, confront, and find solutions to predicted water supply, and demand imbalances in the future. This paper by water attorney M. Byron Lewis discusses studies predicting water supply limitations, possible sources of augmentation of Arizona’s water supply discussed in those studies, and significant legal and political challenges to overcome in finding solutions to supply and demand imbalances.