COTree is a physical installation that reacts on real time CO2 measurements in the surroundings. The latest version of COTree is a swirl plant which opens up for a lot of placement opportunities. The viewer will experiences a battle between life and death while COTree changes between decay and growth. The viewer is watching the fragility of nature. A fragility humans cannot normally see. It is the measurements that determines the life of COTree.

When the measurements react a certain hight the leaves turn brown and wither and back again when the CO2 level decreases. The presence of a viewer is shown through the CO2 measurements and have a directly effect on the life of COTree.