An op-ed by Daniel Freedman explains how a legal spat over an 850-square-foot "granny flat" affected hundreds of units around Los Angeles. The city's attempt to rectify the problems with its second unit ordinance has encountered more resistance.
As coastal communities look for new ways to build resilience, they'll need to consider options such as the natural and hybrid systems compared in a new study by the National Oceanic and Atmospheric Administration.
A new study by NOAA scientists and colleagues shows a stunning reduction in vehicle-related air pollutants in the Los Angeles basin over the past several decades. Despite the gains, unhealthy air remains.