"I think it's unbelievable to see that hundreds of thousands of children all around the world are realising that we are facing an existential climate crisis and are fighting for their future, making their voices heard, and saying why should we go to school and study for a future that may not exist anymore".
"We are living through an existential crisis that has been ignored for decades and if we do not act now it may be too late", said Thunberg, who has been nominated for the Nobel Peace Prize for her activism.
Many carried signs with messages in English reading "Youth4Climate", "School Strike", "There is no Planet B", "The oceans are rising and so are we" and "I do not want to clean up after my parents".
While in Auckland, thousands of protestors made their voices heard.
While the protest was to be composed primarily of university and CEGEP students, many high school students are expected to also join in, as well as some teachers.
Students from around the state will also protest at the Utah State Capitol Friday.
Thunberg spoke at the United Nations Climate Change Conference in Poland this past December where she told lawmakers they were "not mature enough to tell it like it is".
Demonstrators in Ann Arbor Friday called the Green New Deal the responsible way to spark change and protect children.
About 17 people were arrested by the New York Police Department for disorderly conduct and blocking traffic
"People always tell us that they are so hopeful, they are hopeful that the young people are going to save the world". We are going to be eligible for voting.
The headteacher of a school in Eastbourne has explained why he agreed to support students to join the youth climate strike in the town centre today. And why should I be studying for a future that will soon be no more, when no one is doing anything whatsoever to save the future.
She said students had a "vision for a safe-climate future". Students in Princeton and Mahwah held their own climate strikes; as well as students in New York City, Philadelphia and around the world.
Summerlin's speech was just one of many at the Morristown rally, which was attended by all ages, from toddlers in strollers, to gray-haired lifetime environmentalists. In Duesseldorf, some 2,000 schoolchildren paraded with a carnival float depicting a giant effigy of Thunberg with "Do something about the climate catastrophe at last" written on her raised arms. From there, they will all head to city hall and Province House.
They said they did not want to strike, play truant or waste the time of their teachers but they had to make a stand. I think it is something we might be able to fix, but we would have to work really hard in the next few years. Thailand is one of the world's worst marine plastic polluters.
In Germany, environmental groups and experts have criticized government plansto continue using coal and natural gas for decades to come.
That contrasts with politicians in Australia and Britain who have rebuked them for cutting class. "This is the greatest issue of our time".
Student activists in Morristown tie ribbons as part of a climate strike on Friday, March 15, 2019.
Tucker Carlson Won't Apologize for Misogynistic Rants
CO-HOST: Yeah, it's - you know what it is? Jeffs, Carlson said, was someone with "a different lifestyle that people find creepy". In a 2007 recording, Carlson said of women: "They're extremely primitive, they're basic, they're not that hard to understand".