This is the presentation we made for the workshop at the school for underprivileged kids in a suburb of Ulaanbaatar.
Find more info here:
http://thebulbdesignconsulting.wordpress.com/2012/02/14/workshop-for-children-with-illiteracy-in-ubs-suburb/
12. The time it takes for
garbage to decompose:
Glass bottles: never
Plastic bottles: 450 years
Cans: 80-200 years
Plastic bags: 10-20 years
Cigarette butt: 1-5 years
TetraPak: 3 months