Students from Australia to the United States coordinated "school strikes" to protest inaction on climate change. Thousands of students clogged the streets of Berlin, Vienna, Helsinki and others. Events were planned in over 2,000 cities, according to a website used to coordinate the strikes.
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Students protest during a march against Climate Change impacts on March 15, 2019, in Rome, Italy.
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Hundreds of Bay Area students <a href="/multimedia/Hundreds-of-Youth-March-in-SF-to-Demand-Action--282701291.html" target="_blank">marched in San Francisco</a> on Friday, March 15, 2019, to demand action against climate change.
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Students and protestors <a href="https://www.nbcboston.com/news/local/Climate-Change-Youth-Protests-Boston-507209261.html" target="_blank">rally outside of the Massachusetts State House</a> as part of a global "school strike" for climate change action on March 15, 2019. Schoolchildren in thousands of cities are calling for government action in face of climate change.
Students and protesters joined the "Sunrise Movement" group to protest inaction in the face of climate change outside Columbia University on March 15, 2019. The protest at Columbia was a part of a global youth movement to put pressure on governments to enact environmentally-friendly policy changes.
Dozens of students gather at Hilltop High School in Chula Vista, California, ahead of a two-mile march to Chula Vista City Hall on Friday, March 15, 2019. The group, comprised of some students as young as 13 years old, chanted "Hey, hey, ho, ho. Fossil fuels have got to go," and "Climate change is very real, so we demand a green new deal," as they marched through San Diego County neighborhoods and onto a busy city street with their handmade signs.
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Encouraged by a biology teacher, a group of 14- and 15-year-old students of Lower Merion High School within the Philadelphia suburbs participate in a climate strike inspired by the activism of 16-year-old Greta Thunberg, in LOVE Park, Philadelphia on March 15, 2019.
Around 1,000 Minnesota students skipped school to gather on the steps of the state Capitol, March 15, 2019, in St. Paul, Minnesota, as part of an overall global protest by young people to demand that governments take swift and decisive action to fight climate change.
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More than ten thousand students demonstrated for the climate in Lyon, France, on March 15, 2019. At Greta Thunberg's call, thousands of students skipped classes to demonstrate to alert government members and call on them to take action against global warming.
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Thousands of school children protesting climate change gather at the Victoria & Albert memorial at Buckingham Palace on March 15, 2019, in London, England.
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Students protest during a march against climate change impacts on March 15, 2019, in Rome, Italy. Demonstrations have been organized worldwide today following the call from 16-year-old Greta Thunberg, a pioneer of the Global March for Climate.
Students in Cape Town, South Africa take part in a protest on March 15, 2019, as part of a global student strike against government inaction on climate change.
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Students participate in a strike outside of the Swedish parliament house, Riksdagen, in order to raise awareness for global climate change on March 15, 2019 in Stockholm, Sweden.
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Indian school students hold placards aloft as they protest against global warming and climate change in Hyderabad on March 15, 2019.
Thousands of high school students march through Lisbon as part of a global school strike for climate change, March 15, 2019. Students worldwide are protesting their governments' failure to take sufficient action against global warming.
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Indian school students shout slogans as they protest against global warming in New Delhi, India, on March 15, 2019.
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Students stage a demonstration to raise awareness for climate change as they march from Sintagma Square to Monastiraki Square in Athens, Greece, on March 15, 2019.
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Young demonstrators gather at the Finnish Parliament during the protest march of Finnish youths calling for climate protection in Helsinki, Finland, on March 15, 2019.
Participants form a human pyramid during a rally for global climate strike for future in Seoul, South Korea, March 15, 2019. About 150 students and other protesters attended a rally to protest their governments' failure to take sufficient action against climate change in the South Korean capital.
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Students take part in the "Friday For Future" rally in Pisa, Italy, on March 15, 2019. Schoolchildren in over 100 countries took to the streets on Friday to raise awareness for global climate change.
A student holds a banner during a demonstration against climate change in Pamplona, northern Spain, Friday March 15, 2019. Students mobilized by word of mouth and social media took to the streets on Friday to protest what they believe are their governments’ failure to take though action against global warming.
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Students stage a demonstration organized by the "Fridays For Future" global youth movement to raise awareness for climate change, in Madrid, Spain on March 15, 2019.
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Students participate in the "Youth Strike for Climate Change" rally in Gdansk, Poland, on March 15, 2019. Schoolchildren left classrooms and schools to join the international movement in solidarity in with Greta Thunberg to call for radical action on the climate crisis.
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Thousands of Irish schools students participate in the 'Global School Strike for Climate Action' march from St. Stephen's Green to Leinster House, demanding an immediate action on climate change, March 15, 2019, in Dublin, Ireland.