I have a funny sort of serendipity with actress and writer Shiva Rose. All unwavering belief in organic and sustainability aside, when we first met five years ago, we realized that she knew my husband from high school. Talk about a small world! Shiva’s environmental activism began after she was diagnosed with an auto-immune condition in her early 20s, after the birth of her first daughter. She spreads the love through TheLocalRose.com, where she’s now launching an eponymous skincare line that she makes in her garage, infusing it with mantras. She invited me for a rose-tinted afternoon at her home in the Santa Monica mountains, where she grows organic vegetables,…