LA County is holding a series of meetings to discuss Green Building Ordinances for unincorporated county areas.  The next meeting will be held Wed., March 19, at the Altadena Senior Center, 560 E. Mariposa, from 6-8 PM.  The county is soliciting feedback on proposed ordiances  for green building, low impact development, and drought-tolerant and native landscaping.  Says the release:

These ordinances are intended to help the County efficiently manage land uses to achieve its goals of environmental sustainability, carbon footprint reduction, and water conservation.  The proposed ordinances will impact [sic] all residential and non-residential development throughout the unincorporated County areas. 

There’s lots more information here.