Defining Global Depletion and Use of the Word “Sustainable”
Defining global depletion as it relates to food (where global warming fits)
Depletion as it affects oxygen and the quality of the air that we breathe
Depleting the lungs of our planet
Part 1: Drinking water and sustainability—where is it all going?
Part 2: Our oceans—what is happening below the surface?
A word about nutrition—do you really care?
X. How We Arrived at This Point