Driving into Phoenix from Tucson for a meeting in June, it’s striking how the temperature rises as you approach the city. The clear blue desert sky turns hazy brown over the metro area, a reminder of our air pollution issues. While it will always be hot in the summer, there are solutions to the rising temperatures brought by climate change. Arizona can combat much of our state’s air pollution and water waste today. This is a story of hope and opportunity, where the question is: how ambitious can we be, and how much of the national and global energy transition will Arizona lead?