SALT LAKE CITY — The Utah Environmental Congress is sponsoring three local showings of the new documentary "Lords of Nature: Life in a Land of Great Predators."

The film explores the role of top predators such as wolves and cougars in keeping ecosystems in balance. A panel will discuss the return of wolves to Utah after each showing. The film is free and open to the public.

Showings are:

7 p.m. Thursday at the Day-Riverside Branch Library, 1575 W. 1000 North.

7 p.m. Tuesday at the Sweet Branch Library, 455 F St.

7 p.m. June 23 at the Sprague Branch Library, 2131 S. 1100 East.

— Amy Joi O'Donoghue