See Candidate Page Joe Biden, Climate Biden tweets 1/14/20 .@JoeBiden will work to ensure the U.S. achieves 100% net-zero emissions. If we can harness all of our energy, talent, & unmatchable American innovation, we can defeat climate change together. 🌎 https://t.co/y2gSKy9RYa #DemDebate #IACaucus— Joe for Iowa (@JoeForIA) January 15, 2020