Gene Tang is the consummate host. For close to two decades, he’s overseen every aspect of 1515 Restaurant, which occupies a Victorian storefront in LoDo -- greeting guests, checking on table settings, asking diners if everything is to their liking (it usually is). While the first floor is home to a comfortable bar whose crowds spill into the basement lounge on the weekends, the elegant upstairs dining room is devoted to serving seasonal modern American/French cuisine, often with a unique twist. The service is as professional as the menu is impressive. And 1515 doesn’t just serve good food; it does so with a clean conscience, since it’s been recognized by Denver as “certifiably green” and given gold status for environmental leadership by the state.