<http://schema.org/about>
"Every home in California will have to be zero net energy or better by 2020 if a California assemblywoman has her way. San Diego Democrat Lori Saldana's bill would require homes to emit no carbon and give power back into the grid."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/every-california-house-a-zero-net-energy-building.html>