TUCSON, Arizona, March 13 -- The University of Arizona posted the following news release: * * * Bear Down 100: Reading time in wood * Inside every tree trunk is a record of every year it lived. For nearly a century, the University of Arizona has been the world's leading institution for reading that record. Trees grow one ring per year, and the width of each ring reflects the conditions of that year. A wide ring signals a wet, favorable season. A narrow one points to drought or stress. Beca  more

TUCSON, Arizona, March 9 -- Tucson Electric Power issued the following news release: * * * City of Tucson and TEP Reach Milestone on Proposed Energy Collaboration Agreement The City of Tucson and Tucson Electric Power (TEP) have reached a major milestone in efforts to advance Tucson's clean energy and climate goals with the development of a proposed Energy Collaboration Agreement (ECA), the result of more than a year of partnership, community engagement, and leadership from Mayor and Council.  more