See Candidate Page Tom Steyer, Climate Steyer tweets 12/19/19 It's not possible to isolate ourselves from China. If we are going to treat climate as the threat it is, we're going to have to partner with the Chinese and bring the world together around this crisis. #DemDebate pic.twitter.com/vWUWLhQFdm— Tom Steyer (@TomSteyer) December 20, 2019