Greentopia returns to Rochester this week, transforming the High Falls area to a hub focused on the future of green living, working, and play. The entire seven-day festival features films, music, a green business expo, and an eco festival.

Celebrate sustainability at the business-to-business conference, Greentopia Innovation, which will take place Friday, September 14, at Rochester Plaza Hotel (70 State St.). A host of leaders in green biz from Rochester and beyond will speak on a wide range of business and innovation topics. Breakfast, lunch, and happy hour are included. The cost to attend is $125 (50 percent off for students). Register for the conference at greentopiafestival.com/innovation.

The new Greentopia Music series will run Saturday and Sunday, September 15-16, in and around High Falls. On the Ecofest Main Stage, with acts including the Driftwood Sailors, This Other Life, Amanda Lee Peters, Deep Blue Dream, and El Rojo Jazz. A classical series curated by the Ying Quartet will feature three one-hour shows at the Norry Trolly Barn Raw Space (the former Jillian's). Pieces to be performed include "Tarantella," a world premiere by Jeff Tyzik (Saturday 2-3 p.m.), a family concert Sunday 11:30 a.m.-12:30 p.m. with Gibbs & Main; and an afternoon on Debussy and nature Sunday 1-2 p.m.

The free Greentopia Ecofest will also take place Saturday and Sunday around High Falls. The event includes organic and locavore foods, an alternative-fuel vehicle show, "From the Ground" fashion show, demonstrations, a wine pavilion, kids' zone, more than 150 vendors, and art & garden installations. The festival runs 10 a.m.-7 p.m. on Saturday and 11 a.m.-5 p.m. on Sunday. For more information on all Greentopia events, visit greentopiafestival.com.