Former New York City Mayor Michael Bloomberg (I) said on Sunday that he would cut a check for $4.5 million to fulfill the United States's financial commitment to the Paris climate accord.

"America made a commitment and as an American if the government's not going to do it, we all have responsibility," Bloomberg said on CBS's "Face the Nation."

"I'm able to do it," he continued. "So, yes, I'm going to send them a check for the monies that America had promised to the organization as though they got it from the federal government."

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Asked if he planned to help fund the Paris climate agreement's mission next year, Bloomberg said that he hopes President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE changes his mind on the accord by then.

"He's been known to change his mind. That is true," Bloomberg said. "But he should change his mind and say look, there really is a problem here. America is part of the problem. America is a big part of the solution and we should go in and help the world stop a potential disaster."

The Paris agreement, struck under the Obama administration, committed 195 countries to reducing carbon emissions in an effort to slow climate change.

But Trump announced last year that he would withdraw from that deal, which he has said places unfair burdens on the U.S. and allows countries like China and India to expand their use of fossil fuels.

Bloomberg has been among the most vocal advocates for the Paris agreement. He and California Gov. Jerry Brown (D) are leading a coalition of U.S. states, cities, businesses and universities that have vowed to meet America's commitments under the agreement.