News
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Eric Betterton and Ursula Nelson Featured in KOLD13 Spotlight on Pima County's Efforts to Improve Air Quality
Monday, July 15, 2019Photo: Eric Betterton, HAS Department Head, and Ursula Nelson, Director, Pima County Department of Environmental Quality, being interviewed by Bud Foster, KOLD13 news correspondent (Image: KOLD13 News) Dr. Eric Betterton, UA Distinguished Professor and HAS Department Head, and Ursula Nelson, Director of the Pima County Department of Environmental Quality and HAS Advisory Board Member, were interviewed by Bud Foster in a KOLD13 News video on July 10, "Pima County cutting idle time for fleet vehicles, helping reduce air pollution." (Betterton speaks at 0:35 and Nelson speaks at 1:32) Because Pim... Read More -
Xiquan Dong's Arctic Sea Ice Study Published in Arctic Sea Ice News & Geophysical Research Letters
Wednesday, July 3, 2019The linear trends of satellite retrieved (a-d) cloud fractions from March to June and (e) September sea ice concentration (SIC) over the Arctic (70o-90oN) regions in early twenty-first century (2000-2015). Cloud observations are derived from CERES-MODIS SYN1 Ed3.0 product. The black dots mark the regions where p < 0.05 (statistical significance at 95% confidence level). Image: Xiquan Dong Important findings by HAS Professor Xiquan Dong's research group, which includes HAS doctoral student and NASA Graduate Fellow Yiyi Huang, HAS Research Professor Baike Xi, and several other co-authors, we... Read More -
Laura Condon's Groundwater Research Study Featured on DOE Office of Science Website
Wednesday, July 3, 2019The green circles in this satellite image of southwestern Kansas are crops being watered by central pivot irrigation, which draws water from a well in the center of each field. Some of the water is groundwater from deep under the Great Plains states. (Credit: NASA) We recently wrote about HAS Assistant Professor Laura Condon's important new study showing groundwater pumping's role in the reduction of U.S. stream flows, and this week (July 1) Mari Jensen's original article about the study, Groundwater Pumping Has Significantly Reduced US Stream Flows, was featured on the DOE Office of Science... Read More -
Eric Betterton Discusses Summer's Effect on Air Quality with Arizona 360's Lorraine Rivera
Monday, July 1, 2019HAS Department Head Eric Betterton speaking on PBS' Arizona 360 about summer's effect on air quality. Photo Credit: Arizona Public Media Eric Betterton, University Distinguished Professor and HAS Department Head, recently spoke with Arizona Public Media's Arizona 360 host and producer Lorraine Rivera about summer's effect on air quality in Southern Arizona. Betterton, who also chairs the Pima County Environmental Quality Advisory Council, explained how excess heat can affect the air we breathe by impacting the risk for wildfires and causing urban ozone levels to concentrate. "Last year in 201... Read More -
Eric Betterton and Others Voice Concern Over Proposed Weakening of EPA Emissions Standards
Thursday, June 27, 2019Pima County Supervisor Richard Elias, Tucson Mayor Jonathan Rothschild, Barbara Warren, MD, Director of Physicians for Social Responsibility Arizona Chapter, and Professor Eric Betterton, UA Dept. of Hydrology and Atmospheric Sciences, speak at a news conference regarding the dangers of rolling back the federal clean car standards. The event was held in a classroom at the Pima Medical Institute. Photo Credit: June 25, 2019, Christopher Conover/AZPM At a news conference on Tuesday, HAS Department Head and University of Arizona Distinguished Professor Eric Betterton joined a group of scientists,... Read More
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