The UA is an international leader in climate science, impacts and policy. We use paleoenvironmental techniques to reconstruct past climates and computer models to understand future conditions. We look at how patterns of drought and heatwaves change and cause water shortages, increase wildfire risks, reduce crop production and food security, threaten defense installations, and affect human health and ecosystems. We work with partners to deliver usable climate science and to create effective responses that help people focus on adaptation, resilience, and risk reduction in the face of climate change.
UA Media Release
An interdisciplinary team from the University of Arizona has been awarded $100,000 by the National Park Service to assess how environmental stressors such as flooding and extreme heat impact monuments, historic sites and other cultural resources in the American West.
Dr. Philip C. Rosen has studied conservation biology and community ecology of amphibians and reptiles in the American Southwest since 1983, focusing on reptile ecology, aquatic species, deserts, grasslands, and urban environments. He has specialized in ranid frog, kinosternid turtle, and gartersnake conservation and ecology, urban amphibian distribution, ecology and conservation, translocation, and long-term monitoring and research in population and community ecology of desert reptiles.
A new analysis finds that if global warming reaches 2 degrees Celsius, it could trigger a feedback, or "tipping element," in one or more of our natural systems and drive further warming. Diana Liverman, a UA Regents' Professor of geography and development, is a coauthor on the article.
There are many factors that play a role in whether or not it rains, and research from the University of Arizona shows that human activity such as cultivating agricultural fields may be one of them.
A proposed housing development that opponents say will dry out one of the Southwest’s only free-flowing rivers can take shape after the Arizona Supreme Court ruled Thursday that the developer has proved it has sufficient long-term water supply. But plaintiffs in the long-standing lawsuit against the Pueblo Del Sol Water Company over its proposed 7,000-home development plan to take the case to federal court. "From the perspective of state control over water resources, this opinion has the potential of being enormously damaging," said Robert Glennon, Regents' Professor at the UA James E. Rogers College of Law, who filed a brief supporting the plaintiffs.
Last month, the International Commission on Stratigraphy declared we are living in a new geological age called the Meghalayan, based on signs in the rock record of a global drought that began about 4,200 years ago. Jessica Tierney, a paleoclimatologist at the UA, says ICS, following the lead of some paleoclimate scientists, mistakenly lumped together evidence of other droughts and wet periods, sometimes centuries away from the 4,200-year-old event, to mark the beginning of the Meghalayan.
The Water Roots series is a collaboration between the WRRC and Sky Island Alliance to highlight the work of our partners to secure water for natural areas in southeast Arizona. Learn more about the series here.
Climate experts and journalists react to "Losing Earth: The Decade We Almost Stopped Climate Change," a piece in The New York Times Magazine by essayist Nathaniel Rich. Diana Liverman, a Regents' Professor of geography and development at the UA, noted the lack of women and people of color in Rich's narrative.
A new analysis finds that if global warming reaches 2 degrees Celsius, it could trigger a feedback, or "tipping element," in one or more of our natural systems and drive further warming. Diana Liverman, a Regents' Professor of Geography and Development at the UA, is a coauthor on the article.
A decades-long drought and increased evaporation owing to climate change have decimated water levels of Lake Mead. The Flint water crisis, as well as similar access and contamination concerns in Texas and Pennsylvania, have raised the profile of the issue. "Flint was a wake-up call, as it should have been," says water expert Robert Glennon, a Regents' Professor at the UA James E. Rogers College of Law.