How Greta Thunberg has inspired young climate change activists around the world

Two years after Greta Thunberg entered the spotlight in the fight against climate change, she is set to testify on Capitol Hill during a House Environmental Subcommittee hearing. NBC News’ Kelly Cobiella spoke to young activists who are inspired by Thunberg and are working towards a common goal of meaningful action against climate change. April 22, 2021