Sian Gentle on Twitter: "How much is one tonne of carbon? This giant bubble at @PwC_UK's office is equivalent to one tonne of CO2. Emissions per person per year in the UK
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Green as a Thistle | making one change every day to greenify my life (and hopefully not being too smug about it) | Page 2
![Paul Chatterton on Twitter: "hi science friends here in Leeds we are trying to visualise what a tonne of CO2 would look like as a cube. we might mount this in a Paul Chatterton on Twitter: "hi science friends here in Leeds we are trying to visualise what a tonne of CO2 would look like as a cube. we might mount this in a](https://pbs.twimg.com/media/D6HSjNJXoAANGL8.jpg)
Paul Chatterton on Twitter: "hi science friends here in Leeds we are trying to visualise what a tonne of CO2 would look like as a cube. we might mount this in a
![As carbon dioxide levels hit 15 million year high, UN urges action to curb greenhouse gas emissions | | UN News As carbon dioxide levels hit 15 million year high, UN urges action to curb greenhouse gas emissions | | UN News](https://global.unitednations.entermediadb.net/assets/mediadb/services/module/asset/downloads/preset/assets/2014/12/20769/image1170x530cropped.jpg)