Worth reading this investigation into the historic photos: https://www.bellingcat.com/news/2023/08/16/untangling-the-mystery-of-the-worlds-first-rooftop-solar-panel/
Also worth pointing out there is some question as to whether these solar panels ever functioned. Someone should build one to test it out!
This is false. Methane is a more potent greenhouse gas than CO2 in the short term, and “natural gas” is just methane. When it leaks, it’s very bad, and could be worse than coal. https://newrepublic.com/article/176605/natural-gas-way-worse-coal