Story highlights Gingrich, the wife of former House Speaker Newt Gingrich, is a devout Catholic

She was asked about climate change at the hearing

Washington (CNN) President Donald Trump's pick for US ambassador to the Holy See, Callista Gingrich, was pressed by members of the Senate foreign relations committee in a hearing Tuesday on how she would work with the Vatican on refugee and climate change issues, two areas where the Pope and the President's views diverge.

Sen. Tom Udall of New Mexico, a Democrat, noted that Pope Francis has written an encyclical about climate change and the environment, and asked Gingrich how she would work with the Vatican on climate change issues.

"The Pope and the President share a great concern about our environment," Gingrich said. "President Trump wants to maintain that we have clean air and clean water and that the United States remains an environmental leader. As President Trump said, we will disengage and pull out of the Paris agreement, and either re-enter the Paris agreement or an entirely new agreement -- one that is fair to Americans. If confirmed, I look forward to working with Holy See as the United States pursues a balanced approach to climate policy."

Gingrich, the wife of former House Speaker Newt Gingrich, is a devout Catholic. She attends mass at the Basilica of the National Shrine in Washington, where she has sung in the choir for two decades. She has produced several documentaries on religion in her role as President of Gingrich Productions -- a multimedia company that promotes her and her husband's work.

"I appreciate your confidence in that," Udall said. "I must say I must have missed a few of the President's statements that have given you that faith. I wish it were so. I'm not persuaded, but perhaps we'll see more unfold in that regard."

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