See Candidate Page Julián Castro, Climate Castro tweets 9/3/19 Climate change is an existential crisis, but it's also an opportunity for us to shape a sustainable economy, create new green jobs, and leave a better planet for coming generations.I'll be discussing my vision on the @CNN #ClimateTownHall tomorrow at 5PM EST. Tune in. https://t.co/aQItZa51CC— Julián Castro (@JulianCastro) September 3, 2019