Rubbish
Sort it out!
Save trees (paper recycling)
Fashion Statement (charity)
Would you like a bag?
(re-using bags)
Rainforests (Deforestation)
Good wood (pine, beech, oak)
Flowers
Protected Pet? (pet-shop)
Save trees
Organizations of environment protection
The U.S. Environmental Protection Agency (EPA)
The European Environment Agency (EEA)
United Nations Environment Programme
…