Buttigieg knocks Trump's quick exit from UN climate event: 'This is what the end of American global leadership looks like'

Democratic presidential candidate Pete ButtigiegPete ButtigiegBipartisan praise pours in after Ginsburg's death Bogeymen of the far left deserve a place in any Biden administration Overnight Defense: Woodward book causes new firestorm | Book says Trump lashed out at generals, told Woodward about secret weapons system | US withdrawing thousands of troops from Iraq MORE slammed President TrumpDonald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE on Monday for his quick exit from the United Nations's climate event.

The South Bend, Ind., mayor commented on a photo of the president's exit from the U.N. Climate Action Summit, saying it exemplifies the "end of American global leadership."

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Trump, a climate change skeptic, had previously said he was going to skip the summit entirely but made an unexpected appearance for 10 to 15 minutes.

The U.N. Climate Action Summit marks the central event during a week of international protests demanding action against climate change. 

Buttigieg has previously pointed the finger at the president and his "enablers" in Congress for not doing enough to fight climate change. The 2020 hopeful released his own climate proposal earlier this month.