It's an existential, global problem. If it's mishandled, it will be the most devastating in humanity's entire history. If you don't want a dedicated debate, then commit to getting it lots of airtime in all of the debates.
Why is this important?
To try to ensure that we the people will really be able to see how our Democratic candidates will address the largest problem in humanity's history. To shed light where some of our industries might prefer less attention.
