C02
Monochrome drawings made with the same amount of charcoal to represent my carbon footprint on a 1 km journey from my home to my studio.
1 stick of charcoal = 1 gram of carbon dioxide
1 km = 27 grams = 27 sticks of charcoal
(X metric tons of CO2) x (1000 kg) x (0.2729) = amount of carbon
