https://en.m.wikipedia.org/wiki/Haber_process https://en.m.wikipedia.org/wiki/Haber_process The programme was called "Brot aus Luft" (Bread from air). The proc

https://en.m.wikipedia.org/wiki/Haber_process https://en.m.wikipedia.org/wiki/Haber_process The programme was called "Brot aus Luft" (Bread from air). The process still uses 1-2% if the worlds energy today.