Human beings play a key role with regard to the Earth's biodiversity and their lifestyles greatly influence the balance of ecosystems. The impacts of industrialization and demographic development on natural resources often results in encroachment on wild regions that are the habitat for countless life forms. Thankfully, the ARCHITECTS OF CHANGE have found ways of stimulating the economy while respecting the issues of biodiversity and avoiding the destruction of ecosystems. Featured: 1. Dener Giovanni (fighting trafficking of endangered species in Brazil); 2. Johanne Lalumière (Director of the Granby Zoo, Quebec) agricultural scientist, sustainable practices, environmental management; 3. Wangari Maathai (Found of the Green Belt Movement and Nobel Peace Prize Winner, Kenya) first female biology professor in Kenya; anti-deforestation, environmental conservation.