See Candidate Page Julián Castro, Clean Energy, Green New Deal, Iowa Climate tweets on Castro 2/21/19 .@JulianCastro is asked about the Green New Deal’s goal of America running on 100 percent renewable energy by 2030. “Look, I don’t know whether we’re gonna achieve it by 2030,” Castro says, “but I think it matters that you set bold goals.”— Patrick Svitek (@PatrickSvitek) February 21, 2019