During this tenure, he became the first mayor in his state to sign the U.S. Mayors Climate Protection Agreement and presided over the development of Tucson's solar energy capability. Although his proposal of a transportation tax was defeated at the ballot box, this paved the way for a similar tax of half a cent across Pima County that was approved by voters in 2006.
During his term, he became the first mayor in his state to sign the U.S. Mayors Climate Protection Agreement and oversaw the development of Tucson's solar energy capability. Although his proposal for a transportation tax was rejected at the ballot box, it led to the approval of a similar half-cent tax across Pima County by voters in 2006.