See Candidate Page Joe Biden, Climate, International Biden tweets 9/5/19 President Trump is dead wrong on climate change. We’ve got to choose science over fantasy and treat it like the existential threat that it is.As president, I would rally the world to take unprecedented action. There would be no empty chair at the G-7. pic.twitter.com/QvLCIM39oV— Joe Biden (@JoeBiden) September 5, 2019