See Candidate Page Julián Castro, Climate Castro at CNN Climate Town Hall 9/4/19 Question: “Should climate change be taught in schools?”Julián Castro: “Yes, I believe that it should. In fact, I believe that it’s essential” #ClimateTownHall pic.twitter.com/yYZUVWDXbC— CNN Politics (@CNNPolitics) September 4, 2019