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.ealisboa.com/mega-grab-Samsung-Galaxy-S21-5G-8GB-Ram-128GB-Unlocked-SM-G991UZWAXAA-special-buy/