• Millions of people are expected to walk out of school and work on Friday, kicking off a week of protests calling for action to combat climate change.
  • The so-called global climate strike is part of a movement led by the 16-year-old activist Greta Thunberg. In the past year, children have left school to protest – and Friday’s protests invited adults to join.
  • Hundreds of thousands of people have taken part in protests in Australia, Thailand, Bangladesh, India, Turkey, Kenya, Germany, the UK, and other countries, and protests are due to continue around the world.
  • Visit Business Insider’s home page for more stories.

Millions of people around the world are expected to walk out of school and work on Friday as part of the global climate strike inspired by the 16-year-old climate activist Greta Thunberg.

It is the first of several planned events ahead of and during the United Nations Climate Action Summit next week.

Strikes started in Australia on Friday morning. School Strike 4 Climate, the organizers of the event, say over 300,000 people took part across the country.

The protests and strikes are spreading across the planet over the course of the day, reaching Asia, Africa, Europe, and North America.

"This is basically the only way to have our voice heard," Nishtha Sharma, 17, of Melbourne, Australia, told Business Insider.

Here's a look at some of the protests:

Demonstrators participated in the climate strike in Thies, Senegal.

Foto: sourceSEYLLOU/AFP/Getty Images

Activists hit the street in Sofia, Bulgaria.

Foto: sourceREUTERS/Dimitar Kyosemarliev

Climate strikers marched in the streets of San Salvador, El Salvador.

Foto: sourceREUTERS/Jose Cabezas

An activist covered in fake blood was at a climate-change rally in Budapest, Hungary.

Foto: sourceREUTERS/Bernadett Szabo

Protesters held banners and a giant fiery globe in Zagreb, Croatia.

Foto: sourceREUTERS/Antonio Bronic

Climate activists attended a rally in St. Petersburg, Russia.

Foto: sourceREUTERS/Anton Vaganov

A protester held up a sign as part of the "Fridays for Future" strike in Belgrade, Serbia.

Foto: sourceAP Photo/Darko Vojinovic

Activists protested at the climate-change rally in Bucharest, Romania.

Foto: sourceInquam Photos/Octav Ganea via REUTERS

Student activists participated in the climate strike in Jakarta, Indonesia.

Foto: sourceEd Wray/Getty Images

Students from schools across Tarawa, Kiribati, participated in the climate-change protest.

Foto: sourceJess Lugsdin/via REUTERS

The activist Alexandria Villasenor, 14, was at the climate strike in Manhattan, New York.

Foto: sourceREUTERS/Shannon Stapleton

Ralliers were guarded by security forces in Kabul, Afghanistan.

Foto: sourceAP Photo/Ebrahim Noroozi

Young Swedish activists joined the climate strike in Stockholm. Sweden is home to the environmental activist Greta Thunberg.

Foto: sourceStina Stjernkvist/TT News Agency/via REUTERS

Protesters in Brussels, Belgium, joined the strikes on Friday morning, as the protests spread around the world.

Foto: sourceJack Taylor/Getty Images

Protests kicked off in London, where they were officially supported by the city's mayor.

Foto: sourceREUTERS/Hannah McKay

"The Government must see this strike for what it is - a demand for immediate, ambitious action," Sadiq Khan tweeted.

Demonstrators also lined the streets of Edinburgh, Scotland. Protests were planned across the UK.

Foto: sourceJeff J Mitchell/Getty Images

Demonstrations began in South Africa on Friday morning. These activists were in Cape Town.

Foto: sourceREUTERS/Mike Hutchings

Protests are planned across Africa. According to the UK's The Guardian newspaper, there are plans for protests in at least seven cities in Nigeria, as well as in Ghana and the Ivory Coast.

And there were protests in Abuja, Nigeria.

Foto: sourceREUTERS/Afolabi Sotunde

People also demonstrated in Greece.

Foto: sourceREUTERS/Alkis Konstantinidis

Protesters gathered at monuments in Paris.

Foto: sourceREUTERS/Charles Platiau

And children led protests in Denmark, including in Copenhagen.

Foto: sourceRitzau Scanpix/Nils Meilvang via REUTERS

The mayor of Copenhagen signed an open letter, along with the mayors of New York, Los Angeles, and Paris, in support of the strike.

"When your house is on fire, somebody needs to sound the alarm. Young people in our cities, displaying incredible maturity and dignity are doing just that," they wrote.

"School children are taking to the streets, drawing attention to the terrifying threat that climate breakdown poses to their future."

In the Philippines, indigenous groups joined the protests in Manila.

Foto: sourceAP Photo/Bullit Marquez

About 400 protests were announced across Germany. People flooded the streets of Hamburg.

Foto: sourceAxel Heimken/picture alliance via Getty Images

And in Berlin, demonstrators stood with a rope around their necks on blocks of ice in front of the Brandenburg Gate.

Foto: sourceTom Weller/picture alliance via Getty Images

Students also led protests in Ireland. About 10,000 people took to the streets of Dublin.

Foto: sourceAlex Connolly/The University Times

Protests were taking place in at least four cities and other locations across the country.

Children in Ukraine brought homemade signs.

Foto: sourceSERGEI SUPINSKY/AFP/Getty Images

Protesters also gathered in the Netherlands. These people marched in Amsterdam.

Foto: sourcePaulo Amorim/NurPhoto via Getty Images

And young people led protests in Austria.

Foto: sourceREUTERS/Lisi Niesner

The protests reached Kenya, where demonstrators highlighted the damage caused by plastic waste.

Foto: sourceREUTERS/Njeri Mwangi

Organizers said over 300,000 people took part in the protests across Australia, including these people who marched in Melbourne.

Foto: sourceAsanka Ratnayake/Getty Images

This photo shows a huge crowd in a park in Sydney.

Foto: sourceKym Chapple

It was tweeted by Kym Chapple, a politician with the Australian Greens Party.

The protests were largely led by students, who started the movement this year by protesting on Fridays to call for government action on climate change.

Foto: A boy holding up a sign outside Parliament House in Sydney.sourceRosie Perper/Business Insider

The students rejected the common criticism that they should be in school.

Danielle Porepilliasana, a high-school student in Sydney, told Reuters: "World leaders from everywhere are telling us that students need to be at school doing work. I'd like to see them at their parliaments doing their jobs for once."

People of all ages ⁠— babies, toddlers, teens, and adults — gathered across the world.

Foto: A young protester at a rally in Brisbane on Friday.sourceRosie Perper/Business Insider

"I'm worried about the animals," Maeve, 9, from Melbourne, told Business Insider. "I'm worried about the ice melting, which isn't very good."

The top 10 carbon emitters in the country also took questions from schoolchildren on Friday.

Children in New Delhi, India, shouted slogans and held signs as they took part in the protests.

Foto: sourceLAURENE BECQUART/AFP/Getty Images

The Guardian reported that students blocked roads in New Delhi, chanting "What do we want? Climate justice."

Schoolchildren in Turkey also demonstrated.

Foto: sourceEsra Hacioglu/Anadolu Agency via Getty Images

In Istanbul, students with placards joined the strikes.

Foto: sourceREUTERS/Murad Sezer

In Bangkok, Thailand, people protested in front of the Ministry of Natural Resources and Environment. They staged a "die-in," an attempt to symbolize the consequences of climate change. They also delivered a letter to the government calling on it to declare a climate emergency and phase out coal.

Foto: sourceLauren DeCicca/Getty Images

Students gathered on Marovo Island in the Solomon Islands, an island chain close to Papua New Guinea.

Foto: source350 PACIFIC/via REUTERS.

The Solomon Islands in the Pacific are already experiencing the effects of rising sea levels, flooding, and erosion. Communities on these low-lying islands have had to relocate, and several reef islands have been lost to the sea.

People also protested in Tokyo.

Foto: sourceREUTERS/Kim Kyung-Hoon

And students gathered in low-lying Bangladesh to call for political leadership and action.

Foto: sourceAllison Joyce/Getty Images

Students also took to the streets in Krakow, Poland.

Foto: sourceOmar Marques/SOPA Images/LightRocket via Getty Images

There was also a protest in Hong Kong.

Foto: sourceChris McGrath/Getty Images

The protests also reached Cyprus.


Sarah Gray contributed to this report.