read more
An estimated 10 trillion gallons a year of untreated stormwater runs off roofs, roads, parking lots, and other paved surfaces, often through the sewage systems…
This column focuses on an issue that permeates our state and regional water management challenges: uncertainty. Here are just a few of the uncertainties…
This presentation focuses on efforts to develop a binational work plan for the Arizona-Sonora portion of the United States-Mexico Transboundary Aquifer…
Novelist John Updike is taking a dim view of leadership when he asks in his novel, Rabbit is Rich, “How can you respect the world when you see it’s being run…
This presentation provides information about the U.S.-Mexico Transboundary Aquifer Assessment Program, detailing partnerships for scientific investigations and…
Summer time is often a time for travel and reflection. Reflecting on different aspects of my work during my summer travels, I see a constant theme emerging —…
Whether due to drought, climate change or increasing demands for water, water supplies are predicted to fall short of demands in many parts of Arizona. Water…
Harvesting rainwater is a useful strategy for providing supplemental irrigation water to commercial landscapes, making more efficient use of the…
Close to 80 percent of the U.S. population lives in urban areas and depends on the essential ecological, economic, and social benefi ts provided by urban trees…
Havasu Canyon Watershed is within the Coconino Plateau region of Arizona. Geology at the land surface is dominated by the Kaibab Limestone Formation. The…
Arizona’s Groundwater Savings Program (GSP) is a cornerstone of the state’s overall Groundwater Storage and Recovery Program. Borne out of Arizona’s efforts to…
With the passage of the nation's first municipal rainwater harvesting ordinance for commercial projects, Tucson placed itself at the forefront of the…
