Austria's project 'Underground Sun Conversion' produces natural gas out of water, CO2 and alternative energy [and some micro organisms deep underground] - Project: https://quitter.no/url/1018225 PDF https://quitter.no/url/1018226 Video https://quitter.no/url/1018227 https://quitter.no/url/1018228 https://quitter.no/url/1018229 via @hoergen https://quitter.no/url/1018224