See Candidate Page Beto O’Rourke, Climate Climate tweets on O'Rourke 6/19/19 Immigration and climate change are core issues for @BetoORourke's presidential campaign. His bio: https://t.co/KuIRqjVYoI #2020Election pic.twitter.com/giObEmqZGa— PolitiFact (@PolitiFact) June 19, 2019