At that point human life isn't climate friendly... everyone wants to live like the average american with 2 cars and 4 ac units per households, when Asia and Africa come for their fair share, even if they only claim 25% of it, we're fucked, no amount of battery or solar panel will make this consumeristic and "growth forever" mentality sustainable, because by definition it is a boundless quest. Half of the world still live like medieval peasants with less than $7 a day, this is just the beginning