President Donald Trump is still bent on withdrawing the U.S. from the Paris climate accord, but will keep funding the United Nations body that oversees its implementation, a senior administration official told Bloomberg Environment March 18.

The White House in its proposed fiscal year 2020 budget calls for contributing $6.4 million to the U.N. Framework Convention on Climate Change, which was set up in 1992 to oversee talks toward a global climate change agreement and coordinate the global...