See Candidate Page Joe Biden, Climate Biden tweets 9/4/19 Here’s the deal: Joe Biden introduced one of the first climate change bills in the Senate, and he’s been at the forefront of the fight ever since.Don’t just take our word for it, @PolitiFact called Joe Biden a climate change pioneer. #ClimateTownHallhttps://t.co/xti5vounyv— Joe Biden (@JoeBiden) September 5, 2019