<p>City codes require that live landscaping cover 40% of the yard. Quan and Angelina Ha say their water use has dropped 80% since they replaced the grass with wood chips and drought-tolerant plants. <a href="http://articles.latimes.com/2010/mar/02/local/la-me-bad-lawn2-2010mar02" title="Links to full story">More</a> (Source: Los Angeles Times)</p>