Answer:
if you wanted to discuss an important topic such as this in a talk show you have to:
Make it intresting, People come to watch talk shows to relax, they are not gonna listen to you if you just give a monotonus speech.
Consequences, tell them about the consequences about what we are doing, while making it intresting you also have to make them feel bad for not trying to face the issue.
Information, DONT just give information that you believe to be true, talk about what experts are saying.
Solution, provide a solution on how to solve the issue.