Wangare Maathai honored with a stamp by the UN

The United Nations Postal Administration (UNPA) issued a definitive stamp to mark the birthday of Wangari Maathai who was born  1st April 1940 

The €0.85 stamp is part of a series of definitive stamps illustrated by Martin Mörck (Norway). The German quote on the stamp reads “When we plant trees, we plant the seeds of peace and hope”.