Long Beach hopes mulch wall will make Hudson Park a healthier place

City of Long Beach is testing a 12-foot-high, 600-foot-long mulch wall as a sound and pollution barrier along a busy truck route.



Long Beach has erected a new fortification in the battle against freeway noise and air pollution, and it's decidedly low-tech.



via L.A. Times - Science http://feeds.latimes.com/~r/latimes/news/science/~3/d1vcZKORCuk/la-me-mulch-wall-20130807,0,2244277.story