This is a great short E-book (78pp) overview of the global energy reality for about 2 billion people. Read this in 15 minutes to understand why the Hydrobee home energy system is so important, and why it’s so much better than solar power alone.
Engineers in Technical and Humanitarian Opportunities of Service (ETHOS) is a non-profit organization for appropriate technology that holds annual conference on Clean Cookstoves. Most of their presentations for last 10 years are online and are maybe the best single site for learning fast about the challenge of a billion people using dirty inefficient stoves. Hydrobee CEO Burt Hamner presented the Firebee stove at the January 2017 conference near Seattle. He fired it up in the conference room and charged phones with fire while giving his talk.