Education Secretary Betsy DeVos on Friday defended President Trump's decision to withdraw from the Paris climate agreement, but told reporters that she "certainly" believes in climate change.

"Oh I think the climate, certainly, the climate changes, yes,” DeVos told reporters at Eagle Academy Public Charter School in Washington on Friday.

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When asked how humans could help slow climate change, DeVos said, "I don't have an answer."

The Education Secretary did praise the president for making "good on a promise" to the American people by withdrawing from the 195-nation Paris climate deal.

"The president has made good on a promise to ensure that the American people are not subject to overreach,” she said. “He has made good on and fulfilled a commitment to keep America first and to focus on American jobs.”

DeVos was at the school to visit and read to students, leading her to turn down further questions about climate.

“I’m here to talk about students and schools today, and I would hope that we could focus on the opportunity that these kids have in this unique environment in this unique school with amazing teachers and administrators that are offering a pathway forward that many of these kids wouldn’t have had otherwise,” she said.

Trump on Thursday said he would formally remove the U.S. from the Paris climate agreement, fulfilling a major pledge of his 2016 presidential campaign.

Trump, who has voiced skepticism of the science behind climate change, cast the deal as unfair to U.S. workers.