Christiansen and the Friends of the L.A. River hope to bring the river back to its roots. And, for Earth Week, FOLAR is planning a huge cleanup.

The LA River has served as an iconic setting for countless Hollywood films: Grease, Terminator 2 and Pulp Fiction, to name a few. Those movies may soon serve as a time capsule for what the river ...

Marissa Christiansen: Lewis MacAdams co-founded the Friends of the Los Angeles River in 1986, and for 30 years was the face of the stalwart environmental group. He stepped down late last year, and ...