See Candidate Page Julián Castro, Climate, International Climate tweets on Castro 2/21/19 On Day One in office, @JulianCastro says his first step would be signing an executive order recommitting the U.S. to the Paris climate agreement and submitting legislation to Congress on universal health care: https://t.co/9Kc1quzLKe— Here & Now (@hereandnow) February 21, 2019