Abstract Biohydrogen production through dark fermentation is very attractive as a solution to help mitigate the effects of climate change. via cleaner bioenergy production. Dark fermentation is a process where organic substrates are converted into bioenergy. driven by a complex community of microorganisms of different functional guilds. https://www.bekindtopets.com/hot-offer-Solo-Jec-9-9-way-dog-vaccine-save-big/