Environmental Protection Agency chief Scott Pruitt stressed Tuesday there is "no confusion" about President Trump's decision to leave the Paris international climate change agreement.

"As far as the exit is concerned, there is no confusion there," the EPA administrator said at the Concordia Annual Summit in New York. "The exit is occurring."

The Trump administration has sought to clarify to other nations at the U.N. General Assembly meeting its position on the climate change pact, after European officials last weekend suggested the U.S. could reconsider its position on the Paris Agreement.

Trump reiterated his view that the international accord was unfair to the U.S. during a Monday meeting with French President Emmanuel Macron, the administration said.

"The president talked through that he believes it's just simply unfair — that he thought other countries, particularly China, received a better deal than the United States negotiated," State Department policy planning director Brian Hook told reporters. "He does not believe that the Paris Agreement is a framework to achieve those goals around clean energy, protecting the environment, and promoting economic growth."

Pruitt on Tuesday repeated Trump's pledge that the U.S. could seek to stay in the deal if it can negotiate better terms.

The Paris Agreement permits countries to set their own targets for reducing carbon emissions, and Trump says the U.S. committed too much compared with other countries.

The U.S. plan, which the Obama administration submitted in March 2015, set the goal of reducing greenhouse gas emissions by 26 percent to 28 percent by 2025. Many scientists blame greenhouse gas emissions from burning fossil fuels for driving man-made climate change.

"If there are terms more favorable," the U.S could re-engage, Pruitt said. He added that the U.S. could achieve that goal "in the form of a new agreement."

In June, upon announcing his intent to exit the deal, Trump said he was willing to "re-enter either the Paris accord" or an "entirely new transaction" if changes are made to make it "fair to the United States, its businesses, its workers, its people, its taxpayers."

The U.S. cannot begin the process of withdrawing from the accord until three years after signing it. The earliest the U.S. can officially exit is Nov. 5, 2020, two days after the presidential election.