Greta Thunberg has been named TIME Magazine's Person of the Year for 2019. Greta is known for being an outspoken leader and vocal in the climate crisis, mobilizing an incredible following of youth to become involved activists. Greta accepted the honor in a tweet the same day as the announcement. In the tweet, she said she shares "this great honour with everyone in the #FridaysForFuture movement and climate activists everywhere."