U.S. Transportation Secretary Sean Duffy on Tuesday criticized the International Civil Aviation Organization (ICAO) for what he described as straying from its primary mission and urged reforms to refocus on safety and security.

Speaking at the group’s triennial assembly in Montreal, Duffy said the United Nations aviation body has “extended itself far beyond its proper mandate—wasting critical resources on social programs or climate financing initiatives that have nothing to do with the safety, security and efficiency of the global air transportation system,” Reuters reported.

He also said that U.S. support for ICAO in the future will be weighed against how the country views the organization’s progress towards reform.

The remarks came as ICAO members debated environmental goals, includin

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