This is one of the things that really worries me about it. There is so much trouble now, and this is with it on easy. If large areas of the tropics become uninhabitable in the next decade or two it could be a choice between open borders or WW3.0
Yes, I was pleasantly surprised how much the efficiency of photo-voltaic cells has increased in 20 years.I like the graph as it has so many meaningful features. The absolute X position is the proportion of total generating capacity, the X component of the vector is the proportional growth rate over 10 years, the absolute and component Y obviously the same for cost and the angle the "learning rate by installation".
Years of birth. (19,xx) is more common, (xx,19) is not as common as I would have thought given that.What's the deal with (xx,19) though?