On Saturday 16 October 2021, Swedish climate activist Greta Thunberg, then 18, surprised the audience at the Climate Live concert in Stockholm by dancing and singing along to Rick Astley's 1987 hit "Never Gonna Give You Up". In internet terms, she "rickrolled" the crowd. The clip spread around the world within hours, and Astley himself shared it the next day with a thank-you in Swedish.
The moment was a joke, but it landed at a serious time, two weeks before the COP26 climate summit in Glasgow. Here is what happened, what rickrolling means, and why a famously stern campaigner chose a 1980s pop song to make a point.
What happened at Climate Live
Climate Live describes itself as a youth-led movement that uses concerts to push for climate action. Its 2021 events were timed for the run-up to COP26, the United Nations climate conference held in Glasgow from 31 October 2021, with the final agreement reached on 13 November.
At the Stockholm show, Thunberg came on stage to speak. Instead of starting straight into a speech, she launched into Astley's famous chorus as the backing track kicked in, then danced while the audience joined in. Climate Live posted the video on its TikTok account, and from there it was shared across every major platform. According to the US radio network Audacy, she had two goals that day: drawing attention to the consequences of climate change, and rickrolling the audience.
Some early reports named other people on stage with her and attributed specific lines of a declaration to the performance. Those details are not confirmed in the main English-language coverage, so we have left them out. What is clear from the footage is the song, the dancing and the delighted crowd.
What is a rickroll?
A rickroll is a bait-and-switch prank: someone shares a link that promises one thing, and it opens the music video for "Never Gonna Give You Up" instead. The craze began on 15 May 2007, when a user on the 4chan forum linked to the video in place of a long-awaited trailer for the game Grand Theft Auto IV. It grew out of an earlier 4chan gag called "duckrolling", which used a picture of a duck in the same way.
The song itself was written by the hit-making trio Stock Aitken Waterman and released as a single in July 1987 from Astley's debut album, Whenever You Need Somebody. It went to number one in the UK, where it was the best-selling single of the year, and in the United States and Australia.
Rickrolling has had a remarkable afterlife. In 2008 Astley appeared unannounced at the Macy's Thanksgiving Day Parade in New York, and online fans voted him MTV Europe's "Best Act Ever". In 2011 the White House's official Twitter account rickrolled its followers. In July 2021, just a few months before Thunberg's performance, the official video passed one billion views on YouTube.
How Rick Astley responded
Astley was quick to show his approval. On 17 October 2021 he shared the clip on Twitter, tagging Thunberg and Climate Live, with a short message mixing English and Swedish. "Tack så mycket" means "thank you so much" in Swedish.
Fantastic and Tack så mycket! Rick x 🌍 @GretaThunberg @ClimateLive2021 https://t.co/UXs4zypoNc pic.twitter.com/0Y7b1o4OC7
— Rick Astley (@rickastley) October 17, 2021
(This post is no longer available on X.)
That warm response fits his long journey with the meme. Astley was reportedly wary of it at first, and his record label once said he had nothing more to say about it. Over time he came round, and in a 2016 interview with Rolling Stone he said the joke had done me a lot of good, probably
. He now often plays along, performing the song for crowds who know exactly what they are getting.
Why it mattered: the road to COP26
Thunberg's playful moment came between two much sharper ones. A month earlier, at the Youth4Climate summit in Milan, she had mocked world leaders' climate promises, saying of their targets: Net zero, blah, blah, blah. Climate neutral, blah, blah, blah.
Her argument was that politicians were using fine words while emissions kept rising.
The context was stark. In August 2021 the Intergovernmental Panel on Climate Change had published a major report concluding that the world was warming faster than many earlier estimates had suggested. Under the 2015 Paris Agreement, signed by more than 190 countries, governments had promised to keep warming well below 2°C above pre-industrial levels and to try to limit it to 1.5°C. COP26 was the first big test of whether they would raise their plans to match those goals.
Many commentators read the rickroll as a light-hearted dig at leaders who, in her view, kept promising never to give up on the planet while doing too little. Thunberg has not spelled out such a meaning herself, so it is best seen as an interpretation. What it certainly did was get a climate concert in front of millions of people who would never normally watch one.
Greta Thunberg in brief
Thunberg began her campaign in August 2018, aged 15, when she sat alone outside the Swedish parliament with a hand-painted sign reading "School strike for climate". Her Friday protests inspired the Fridays for Future movement, and in 2019 coordinated school strikes drew millions of young people onto the streets in countries around the world. She has since addressed the UN, national parliaments and the World Economic Forum.
She remains a divisive figure. Supporters see her as a clear, uncompromising voice for science and young people. Critics accuse her of being too blunt, too pessimistic or too dismissive of practical compromises. Seeing her laughing and dancing on stage surprised many people who only knew her from angry speeches, and that contrast is a large part of why the clip went viral.
What COP26 delivered
The Glasgow summit ended with the Glasgow Climate Pact. It reaffirmed the effort to limit warming to 1.5°C and became the first climate deal to plan explicitly for reducing unabated coal power, although late interventions by India and China softened the wording from "phase out" to "phase down". It also called for an end to inefficient fossil fuel subsidies. Thunberg had predicted little real change, and during the summit she told protesters in Glasgow that it was looking much like earlier conferences. Independent trackers estimated that existing pledges still pointed to warming of roughly 1.8°C to 2.7°C.
A pop song did not change any of that. Yet the episode is a neat example of how activists now borrow internet culture to reach audiences that speeches alone cannot, and how a 1980s chart-topper became one of the most recognisable jokes on the web.
Sources: WHDH 7News / CNN, 18 October 2021: Greta Thunberg rickrolls climate concert with crazy dance moves; Audacy, 19 October 2021: Greta Thunberg earns support of Rick Astley after viral video; Wikipedia: Rickrolling; Wikipedia: 2021 United Nations Climate Change Conference (COP26); BBC News video.
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