Renewables absolutely can and are "getting us there." It's a solved problem. I hope that's true. So does that mean there's no need for the sweeping societal ch

Renewables absolutely can and are "getting us there." It's a solved problem. I hope that's true. So does that mean there's no need for the sweeping societal changes that prominent environmentalists are demanding because we'll be able to maintain our high-energy lifestyles with nearly 100% renewables?