Thousands of students march from St Stephens Green to Leinster House in Dublin on Friday. Students mobilized by word of mouth and social media skipped class Friday to protest what they believe are their governments’ failure to take though action against global warming.
Thousands of students demonstrate during a climate strike protest in Zurich, Switzerland, on Friday. Protests have been especially large in European capitals, but Friday’s demonstrations were expected to include large gatherings on every inhabited continent.
Thousands of students march from St. Stephens Green to Leinster House in Dublin, Ireland, on Friday.
A student holds a banner showing images of U.S. President Trump and Brazilian President Jair Bolsonaro during a pro-environment protest in Madrid, Spain, on Friday.
Swedish activist Greta Thunberg, 16, speaks during a climate change demonstration in central Stockholm, Sweden, on Friday. The coordinated 'school strikes,' were inspired by Thunberg, who began holding solitary demonstrations outside the Swedish parliament last year.
Students play with an inflatable globe as they march to demand action on climate change in Rome on Friday.
Young demonstrators join the International Youth Climate Strike event at the Capitol in Washington, D.C., on Friday.
Young demonstrators join the International Youth Climate Strike event at the Capitol in Washington, D.C., on Friday. The coordinated demonstrations were planned as the largest manifestation to date of the Fridays for Future movement.
Students gather with signs for a climate strike rally on the campus of Columbia University on Friday in New York. From the South Pacific to the edge of the Arctic Circle, students mobilized by word of mouth and social media to skip class to protest what they see as the failures by their governments to take tough action against climate change.
Students demonstrate in front of the Les Invalides monument Friday in Paris.
A man wears a costume of empty plastic bottles during a climate protest in Brussels on Friday. United Nations researchers have said the world has only the next dozen years to halt the most catastrophic impacts of climate change.
Students hold a poster reading, at right, "Utopians are not us" during a demonstration Friday in Paris.
Students demonstrate outside the Union Building in Pretoria, South Africa, on Friday. In a coordinated worldwide effort, protests blanketed grand city centers and humble village squares.
Students hold up signs outside the office of House Speaker Nancy Pelosi, a California Democrat, during a protest against inaction on climate change on Friday in San Francisco.
Youngsters stand on the Queen Victoria Memorial outside Buckingham Palace as they take part in a student climate protest in London on Friday.
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