Today, hundreds of thousands of young people around the world will strike to demand action on climate change. More than 4,500 strikes are planned worldwide in over 120 countries, and more than 500 strikes are registered in the U.S. alone. The strike, which is organized by The Climate Strike Coalition, is intended to kick off a week of organizing events to fight climate change. One of the flagship protests on Friday is in New York City, three days before the U.N.