See Candidate Page Julián Castro, Climate, Green New Deal, Iowa Castro tweets 4/14/19 The issue folks wanted to hear about most at @PPLiveIowa? Climate change. I support the vision of the #GreenNewDeal because I know how urgent it is to be bold on climate change. We can’t afford to be timid. #IAcaucus pic.twitter.com/ekGShbg5qT— Julián Castro (@JulianCastro) April 15, 2019