How a group of teens built the climate movement Zero Hour
10:30 | Last summer, at the age of 15, Jamie Margolin started a climate group with some other teens. A year later, This is Zero Hour held its first march on Washington, D.C.
10:30 | Last summer, at the age of 15, Jamie Margolin started a climate group with some other teens. A year later, This is Zero Hour held its first march on Washington, D.C.