The line comes from Greta Thunberg's speech at the United Nations Climate Action Summit in New York in September 2019, where she accused world leaders of failing young people on climate action. The phrase quickly became a headline and a viral soundbite, shared across news clips, social media edits and reaction videos. Its blunt moral charge made it easy to reuse far beyond climate debates, and it remains popular as a short, recognisable scolding sound for memes about hypocrisy and double standards.
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Greta Thunberg's 'How dare you' line from her 2019 UN climate speech, used as a sarcastic reaction sound for hypocrisy and dramatic callouts in memes.
This clip captures Greta Thunberg delivering her famous 'How dare you' accusation in a trembling, furious voice that rises with indignation and barely controlled emotion. Her words are slow, deliberate and cutting, making the anger feel personal rather than political, which is exactly why it lands so hard outside its original context. Listeners hear a young activist confronting world leaders, but the clip works just as well as a scolding punchline, turning an ordinary mistake or hypocritical moment into a moment of theatrical outrage.
