The letter calls for urgent action "to revive our dying soil, regenerate biodiversity and rebuild the ecosystems that sustain us".
The youth-led climate movement was started by Swedish teen Greta Thunberg, who went on the first school strike in August 2018.
Young adults in Kelowna will be some of the thousands of youth skipping school and participating in an worldwide climate strike on Friday to protest political inaction concerning climate change.
Students will gather outside the Palmerston North City Council Building on Friday from 9am to 12pm and march around The Square at 11am.
Hawke's Bay co-organiser and Taradale High School student Charlie Mudgway believes it is a chance for the student body to make their voices heard - and striking sent a "really powerful message".
"And our government refused to listen". They belittled and demeaned us not taking the most urgent issue to ever befall the human race seriously.
Local groups including Byron Shire Climate Emergency Guidance Group, Zero Emissions Byron, COREM, Creative Mullumbimy, The Brunswick Valley Historical Society and Mullum SEED issued a statement of support for the students.
A small number of parents had contacted Yeatman, but they were not in support of students missing class for the strike. Even though Vivanco is not participating in the strike, she is glad that students around the world are.
"Youth all over the world are rising in the millions to demand the world's nations protect our future, our Earth home, and the web of life that sustains us all", reads the Facebook event page, which is hosted by civil action groups Our Earth, Our Future; YouthForClimateCa; Rise and Resist; Extinction Rebellion Vancouver Island; and Social Environmental Alliance.
"I think there can be more awareness about it", she said.
Most climate strikers learn about the causes and dangers of climate change at school and it is their passion for their education that pushes them to take a stand on the issue.
"These young people are learning in their schools about the danger of climate change ... and these kids are schooling us now", she said.
"Our political leaders have wasted decades in denial and inaction and because our time is running out, we have made a decision to take action to clean up your mess", she stated in her speech in the European Social and Economic Committee (ESEE) in February. "To that end, we will be releasing from work a teacher from each of the seven high schools, as well as a number of members of our executive committee, to be there", said GVTA President Tara Ehrcke. "Because if we don't get it, and no one does it for us, then we'll never get anything done".