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Cracked earth
February 27, 2015 | The Arizona Republic

UA geosciences professor Connie Woodhouse co-authored a 2010 study using regional tree rings from an unusually long and hot medieval drought to project that each increase of a degree Celsius results in a decrease in Colorado River flows of between 2 percent and 8 percent. The medieval drought, in its worst decade, baked the river down to about two-thirds of what the U.S. and Mexico draw out of it today. The drought lasted 60 years, but it was not as hot as today. So it seems that the next time, the river will be even drier.

Outstanding Faculty headshots
February 25, 2015 | UA@Work

Six professors have been recognized as UA's Pillars of Excellence, including the founding co-director of the Institute of the Environment, Johnathan Overpeck, and affliated faculty member Andrew Cohen.

A tide gauge station in Montauk, New York
February 24, 2015 | UANews

A four-inch increase in sea levels from New York to Newfoundland occurred in 2009 and 2010 because ocean circulation changed, reports a UA-led team of geoscientists.

Downtown Tucson
February 22, 2015 | Arizona Daily Star

Following national trends, greenhouse gas emissions linked to climate change continue to drop in metro Tucson, a government report shows. The region's weak economy clearly is playing a role in the decline, according to the UA's Derek Lemoine, an assistant professor who specializes in energy and environmental economics. Recent signs of a shift to solar energy and to natural gas from coal burning for electricity also have made a difference.

Mount Lemmon, January 2008
February 19, 2015 | CLIMAS

The seasonal outlook continues to predict above-average precipitation through the winter and into spring for most of the Southwest. Temperature forecasts remain split across the region, with elevated chances for above-average temperatures along the West Coast and into Arizona and increased chances for below-average temperatures along the Gulf Coast into New Mexico.


Date & Time: Thursday, March 12, 2015 - 6:00pm
Speaker: Mary Robinson, President of Mary Robinson Foundation - Climate Justice; UN Special Envoy on Climate Change; Former President of Ireland
Location: Centennial Hall
Date & Time: Friday, March 13, 2015 - 12:00pm - 1:30pm
Speaker: Mitchell Thomashow, Author and Former President of Unity College
Location: Marshall, 539
Date & Time: Saturday, March 14, 2015 - Sunday, March 15, 2015
Location: UA Mall, booth 311
Community Event
Date & Time: Thursday, April 23, 2015 - Friday, April 24, 2015
Location: Tucson Marriott University Park, Tucson, AZ


The University of Arizona’s Udall Center for Studies in Public Policy, with financial support from the Institute of the Environment, has selected two UA faculty members to conduct environment-related research as Udall Center Fellows for 2013–2014.