How Big Is One Tonne of CO2?

The CO2 cube shows the amount of carbon dioxide produced by a person in one month.

Miguel Villagran / Staff / Getty Images

Artist Alfio Bonanno and architect Christophe Cornubert create a demonstration of the volume of a metric tonne of CO2 (1.1 short tons) the amount an average person produces in a month. It is big. It is really a giant four-sided video projector and is floating on the lake in front of Copenhagen's Tycho Brahe Planetarium for the Convention on Climate Change.

Through the use of art, architecture and pioneering technology, the CO2 CUBES will show leaders and citizens alike, the physical manifestation of one person's carbon footprint. Measuring 27′ x 27′ x 27′, the CO2 CUBES represent one metric ton of carbon dioxide. The structure mirrors the carbon footprint that an average citizen emits during one month; this same amount is produced by a U.S. citizen in only two weeks.

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