HUNTSVILLE, Ala., May 11 -- The University of Alabama in Huntsville issued the following news release:

Dr. John Christy, Distinguished Professor of Atmospheric Science and director of the Earth System Science Center (ESSC) at The University of Alabama in Huntsville (UAH), is retiring after a career spanning nearly four decades at the university. Christy also served as Alabama's State Climatologist for more than 25 years.

Dr. John Christy, Distinguished Professor of Atmospheric Science and director of the Earth System Science Center (ESSC) at The University of Alabama in Huntsville (UAH), is retiring after a career spanning nearly four decades at the university. UAH is part of The University of Alabama System.

Christy will retire from his...