Is CO2 a friend or an enemy? Can you produce CO2 at home in your kitchen? Do you know which gases are the cause of the greenhouse effect? Which shall explode more violently when set afire – a ball filled with hydrogen, or one filled with oxygen? Do you think that the amount of carbon on Earth can be decreased? Come and explore the secrets of CO2 with Michael Londesborough, a well-known propagator of science and technology.