Why did you write Journey to the Future? Did you consciously develop the characters, or did they come to you too? There is quite a bit of darkness in the book. Was that deliberate, or did that just happen?
In the realm of energy, the solar revolution has vast potential for long-term impact. Prices have fallen a hundred-fold since the 1970s, and the German Fraunhofer Institute for Solar Energy Systems has predicted that by 2050 solar PV will cost as little as 2 cents/kwh.