A leading thinker on carbon metrics, climate change and sustainability, Prof. Mike Berners-Lee shares his insights on the scale and urgency of the climate emergency we are facing. He takes a big picture perspective, advocating the need for our farming and food systems to undergo systemic change. With the clarity and scientific grounding expressed in his best-selling books, including ‘There is No Planet B: A Handbook for the Make or Break Years’, and ‘How Bad Are Bananas? The carbon footprint of everything’, Mike gives his assessment of the points of greatest leverage. From both UK and global perspectives, he sheds light on the harmfulness of offsetting and greenwashing, and the imperative need for respect and truthfulness in our societal and governance systems.