Cities across California are scrambling to address climate change.
In 2015, San Diego passed a plan to curb the release of climate-changing emissions. The city wants 100 percent of electricity sold within its limits to come from renewable sources by 2035.
To do this, San Diego may become a community choice aggregator, or CCA.
What does that mean for residents, and how could it lead to a showdown with San Diego Gas & Electric, the existing power monopoly? Hit play.