What would you start with.   I'm really impressed by your personal efforts, outstanding.  Is this something that could be done on a larger scale?   I see lot's of activity being attempted, but it's a huge problem that reaches beyond our own country and it's a shared environment.    

People like yourself, independent of partisanship, can be a strong voice for those who remain unconvinced of the problem.    

If you point to only say 2-3 sources of carbon, what might those be?