Greta Thunberg starts a solo "school strike for climate" outside Sweden’s parliament (Riksdag) in Stockholm, catalyzing what soon becomes the Fridays for Future (FFF) movement.
A coordinated global climate strike mobilizes over a million participants across thousands of events worldwide, demonstrating that youth school strikes have scaled into a transnational protest wave under the Fridays for Future banner.
A second global strike day brings 1,600+ protests across roughly 150 countries, keeping sustained pressure on governments ahead of key political moments (including the 2019 European Parliament election).
A major Global Climate Strike day helps launch the week of worldwide actions; participation estimates run into the millions and the strikes become one of the most visible mass mobilizations of the movement.
The UN holds a Youth Climate Summit at UN Headquarters in New York, creating a high-profile venue for youth climate leaders to present solutions and influence decision-makers ahead of the UN Climate Action Summit.
The UN Secretary-General convenes the 2019 Climate Action Summit in New York to increase national ambition and accelerate action to implement the Paris Agreement, amid intensified global youth mobilization.
A second major strike day closes the Global Week for Future. Guinness World Records estimates ~7.22 million participants across the two main strike days (Sept 20 and Sept 27) and thousands of registered events.
FFF calls a global strike for the Friday before COP25, framing it as a warning to world leaders and continuing large-scale coordination beyond the September 2019 peak.
With COVID-19 restrictions limiting street protests, Fridays for Future organizes and promotes online “digital strikes”, maintaining weekly visibility and participation through social media action.
FFF stages a planned global climate demonstration online on April 24, 2020; organizers report large engagement through strike maps, livestream viewers, and social media activity.
FFF calls for a global action day on September 25, 2020, describing it as the year’s first global action day during the pandemic and emphasizing adaptation of protests to local COVID-19 conditions.
FFF’s March 19, 2021 global strike focuses on the theme #NoMoreEmptyPromises, pressing governments, policymakers, and fossil fuel investors for concrete action consistent with climate science.
FFF and allied groups organize a global strike day on September 24, 2021, often framed around intersectional climate justice and a return to in-person mobilization where possible.
FFF’s March 25, 2022 global strike day (often described as the 10th global climate strike) centers the slogan #PeopleNotProfit and foregrounds climate justice and reparations framing.
Coordinated strikes on September 23, 2022 focus on climate reparations and justice, with reporting noting actions across hundreds of locations ahead of COP27.
Fridays for Future participates in an October 2022 strike date as part of continued international mobilizations that year, amid a broader autumn season of climate protests.
FFF and affiliated local groups publicize and organize a March 3, 2023 Global Climate Strike, continuing the movement’s recurring international “global strike” coordination beyond the pandemic peak years.
FFF organizes a global strike day on September 15, 2023 with demands to end fossil fuels (and related fossil finance), with protests reported across many countries and cities worldwide.
Fridays for Future: Global Youth Climate Strikes (2018–2023)
