Zero Net Energy is hotter than a solar panel on a summer’s day. Homeowners have been putting photovoltaics on their rooftops for decades, but now that costs have dropped, schools are getting into the game. Find out how the San Francisco Unified School District plans to use solar power and other means to reduce its energy footprint to zero – and how one San Francisco family has gone ZNE in their home.

+ Nik Kaestner / SFUSD
+ Nate Kinsey / SFUSD
+ Stephany I. Mason / Collaborative for High Performance Schools