could cut our carbon emissions by 50% in the time frame? is it a carbon tax which apparently suddenly that doesn't have support from mandhin and sinema, john tester said that will be tough to support. >> well, a methane theme is a part of the solution. it's leaking out of our natural system of pipes. then you throw incentives for energy efficiency and transition towards the vision of this, electrify everything with renewable energy. sow put everything you can on incentives to go to electricity then incentives to move everything you can in terms of putting renewable energy on the grid. that would be almost all on the carrot side and if that's the way we need to do it. let's do it in that fashion. but we have to have people going, yep, in the next e next three years, i want to put solar panels on my roof. we want utilities so say this is