Denver, Tucson and 3 other cities receive water conservation award
Five U.S. cities were honored on May 3 for their residents' commitment to water-saving choices as part of the second annual National Mayor's Challenge for Water Conservation.
Denver, Tucson and 3 other cities receive water conservation award
Five U.S. cities were honored on May 3 for their residents' commitment to water-saving choices as part of the second annual National Mayor's Challenge for Water Conservation.