Filmmaker Deborah Koons Garcia, widow of musician Jerry Garcia, will present her film “The Future of Food” at several locations across the state Monday through Sunday, Aug. 1-7. Times and locations are as follows:

. 7 p.m. Monday, Aug. 1, at Railroad Square Cinemas in Waterville, tickets $5.

. 6 p.m. and 8:30 p.m. Tuesday, Aug. 2, at Reel Pizza in Bar Harbor, tickets $6.

. 6:30 p.m. Wednesday, Aug. 3, at Fellowship Hall at the Congregational Church of Deer Isle, free.

. 7 p.m. Thursday, Aug. 4, at the Machias Grange Hall, free.

. 3 p.m. Saturday, Aug. 6, at Bayview Street Cinemas in Camden, adults $6, children $4, seniors $5.

“The Future of Food” is an investigation into genetically engineered food. The screenings are sponsored by GE Free Maine, a statewide coalition organized to support nongenetically engineered foods across the state. For information, visit www.gefreemaine.org.