The Green Zones Program is a newly passed law that adds environmental regulations to unincorporated Los Angeles County areas and is expected to create additional expenses for business owners and landlords of industrial real estate over the next five or more years. The goal of the law is to enhance public health by adding zoning requirements to industrial properties proximate to sensitive uses such as homes, schools, parks, hospitals, and daycares. The ordinance adds new zoning code definitions, permitting requirements, and development standards. This article focuses on the changes in the eleven neighborhoods—now called Green Zone Districts—that are specifically identified for further regulation, and how these changes will impact industrial real estate in those area...