BOSTON, MA - SEPTEMBER 20: Students of all ages march from City Hall Plaza to the Massachusetts State House during the Youth Climate Strike in Boston on Sep. 20, 2019. Thousands of young people converged on Boston City Hall Plaza Friday morning to call for action to address climate change, in one of a series of climate strikes that have drawn crowds around the world. High school students have been organizing the rally for the past few months. The rallies come ahead of a United Nations climate summit in New York City. (Photo by Craig F. Walker/The Boston Globe via Getty Images)