PARK CITY, Utah — Julia Louis-Dreyfus could’ve used her therapist while discussing climate change at the Sundance Film Festival.

The former “Veep” star, who attended the annual fest to promote her new movie with Will Ferrell, “Downhill,” was speaking about the hot-button issue at the NRDC Impact Lounge on Friday when she was asked why she feels the need to effect change.

“It’s a good question. I have to think about this,” the “Seinfeld” alum said. “I wonder if my therapist is in the room.”

The 59-year-old comedian, whose husband, Brad Hall, was in attendance to support her, also joked that her conscience inspires her.

“Guilt is a great motivator for me,” she quipped, garnering huge laughs from the crowd.

Louis-Dreyfus added, more seriously, “I want to spend my celebrity on something of worth.”