Trump, who has sparred back and forth with the teenage climate activist, made the comments in a press briefing just before he was about to depart the annual World Economic Forum meeting in the Swiss ski resort.
He noted that Thunberg "beat me out on Time magazine" - a reference to her winning the Time 'Person of the Year' award.He also said that she should shift her attention away from the United States to focus on "those dirtier places."