School children around the world have been  on strike. They  unhappy that their governments are doing too little to  climate change. The strikes  part of a growing international movement called School Strike for Climate. Instead of  to school, students across the globe have been  classes to take part in street protests. Many of the protests have been outside government buildings. The movement  in August 2018 when Swedish student Greta Thunberg  outside Sweden's government every Friday. She held a sign that read: "School strike for climate". Photos of her  viral on social media. Students organized themselves and  Ms Thunberg's actions.
The movement is  worldwide. In 2019, strikes have  place across Europe, North America and Australia. Over 45,000 students  on one day in Switzerland and Germany. Students have  banners reading, "Why learn without a future?" "If you do not  as adults, we will" and "Like the sea level, we ." The first worldwide strike will take place on March 15. Many scientists, politicians and teachers  the students for their activism. However, not everyone is on the students' side. Australia's leader  for "more learning in schools and less activism". A journalist in the U.K. : "If children really must  their fingers at older generations for some imaginary sin, I wish they'd do it at the weekend."