Former New York City Mayor Michael Bloomberg announced Sunday he is giving $4.5 million to the United Nations Climate Change Secretariat to cover a U.S. government funding gap for the international Paris climate accord.

Bloomberg's charitable foundation said the money will support work developing countries are doing to achieve their targets under the agreement as well as "promoting climate action" among cities and businesses.

The 2017 treaty signed by more than 200 nations and entities vowed to curb carbon dioxide and other greenhouse gas emissions in order to try to limit global temperature rise.

Former President Barack Obama's administration was among the signatories, but President Donald Trump said he would pull out of the agreement. Trump campaigned as a booster of fossil fuels and a skeptic of climate change science, and said the Paris accord would cause U.S. businesses to lose millions of jobs.

Bloomberg made a similar payment last year and pledged to continue the contributions. He told CBS News in an interview broadcast Sunday that Trump is capable of changing his position.

The United States is among the world's top emitters of carbon dioxide.

前纽约市长布隆伯格星期天宣布，他将向《联合国气候变化框架公约》秘书处捐款450万美元，弥补美国退出巴黎协定而导致的资金缺口。

布隆伯格的慈善基金会说，这笔钱将用于支持发展中国家努力实现巴黎协定规定的目标，以及促进世界各国城市及企业针对气变采取行动。

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