See Candidate Page Beto O’Rourke, Climate, North Carolina Climate tweets on O'Rourke 4/16/19 At @UNC, @BetoORourke tells students climate change is “the greatest challenge of them all." More from his speech: https://t.co/tWy7EhAZ1F— Durham Herald-Sun (@TheHerald_Sun) April 16, 2019