Young people around the globe are planning a school strike today to protest government and business inaction on climate change.
It's expected to be one of the biggest environmental protests ever.
The protest comes as the United Nations prepares for the climate Action Summit Monday, where the focus will be on sticking to the 2015 Paris climate accord.
Students are planning another strike September 27th.
Millions are expected to take part in the protests, with 25-hundred events scheduled in 150 nations.