WHATS IN OUR AIR?. THE STRUCTURE OF THE ATMOSPHERE 78% Nitrogen (N 2 ) 21% Oxygen (O 2 ) 0.035 % Carbon Dioxide (CO 2 ) Rest trace gases such as H 2 O,
Topic 12 The Biodiversity Crisis Why Should We Care About Biodiversity? Use Value Economic profits Medicinal sources Ecological services Nonuse.
The title of Pope Francis’ Encyclical Letter means “Praise be to you.” It is taken from the first line of the Canticle of St. Francis which praises God.
Chapter 10 229-245
Deforestation: A Global Dilemma
C ENTER FOR A IR Q UALITY S TUDIES Georgia Tech Seminar – October 29, 2007 Implementing Sustainable Transportation at State DOT’s By Joe Zietsman, Ph.D.,
Consumerism
