In my wildest dreams I never imagined I’d be nibbling organic hors d’oeuvres and quaffing biodynamic wines in Beverly Hills with dozens of soil and plant nerds. But there we were—at the leafy headquarters of TreePeople on Mulholland Drive—for the “inoculation party” kicking off the two-day 2017 Urban Soil Summit. Subtitled “TERROIR,” the event attracted 20 speakers who dug deep into the many layers of how soil affects us and the world around us . . . and how we affect the soil.