The issue focused on how the city has been managing water and energy for the past two decades, said Michael Kranke, director of the water department's climate change research and analysis group.

The study was published online this week in The Journal of Climate.

The study was based on data collected from the U.S. Environmental Protection Agency for the period from 1997 to 2016, including weather records for the year-round average temperature, the amount of water used and the amount of energy consumed. In