The Ten Global Threats to Ecosystem Viablity
1. Loss of crop & grazing land
2. Depletion of world's tropical forests
3. Extinction of species
4. Rapid population growth
5. Shortage of fresh water resources
6. Overfishing, habitat destruction, & pollution in the marine environment
7. Threats to human health
8. Climate change
9. Acid rain
10. Pressures on energy resources
