Footage shared by a passenger shows a flight attendant confronting the man who says he “is extremely sorry for the inconvenience” but his actions are part of the protest movement. Irate passengers can be heard calling on the protester to “sit down,” with one suggesting that the crew simply “do us all a favor” and remove him immediately.

At one point a flight attendant responds to those urging the protester to take his seat, saying that at this point he must be escorted off the plane.

The plane was about to take off when the man stood up and began talking about climate change, refusing to return to his seat. The plane taxied back to the gate, and police boarded to remove him.

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