See Candidate Page Beto O’Rourke, Climate Climate tweets on O'Rourke 5/25/19 Beto O'Rourke has outlined a highly detailed strategy for tackling climate change. At the crux of his $5 trillion proposal is the goal to achieve net-zero carbon emissions by 2050.https://t.co/ltfmZkoVQX— Axios (@axios) May 25, 2019