Author/director: December 2019. Yannick and Oliver are running successfully a YouTube Channel on fairfashion, minimalsim and sustainability called rethinknation. In a YouTube cooking challenge, they are confronting each other for ZDF plan b, a TV program practicing constructive journalism. The challenge is to cook their favourite spaghetti bolognese in the utmost CO2 neutral manner. They are accompanied and judged by an expert on food carbon footprint and by gourmet chef Christopher Crell. See the film: Die Koch-Challenge