See Candidate Page Julián Castro, Climate, Iowa Castro in Iowa 9/20/19 As part of the worldwide #ClimateStrike, @JulianCastro is joining a student-led town hall on climate change at Lin-Mar High School in Marion, Iowa. pic.twitter.com/CSk067NnNR— Sawyer Hackett (@SawyerHackett) September 20, 2019