2. USA C emission
ImPACT Visual Waggoner Ausubel slide 2

3. Less
More
USA C emission
ImPACT Visual Waggoner Ausubel slide 3

4. ‘ e
USA C emission @ 
ImPACT Visual Waggoner Ausubel slide 4

5. ImPACT Visual Waggoner Ausubel slide 5

6. ‘+ @
USA C emission
ImPACT Visual Waggoner Ausubel slide 6

7. USA N Fertilizer
ImPACT Visual Waggoner Ausubel slide 7

8. e Y ‘ @ Less More 1965 1995 USA N Fertilizer
ImPACT Visual Waggoner Ausubel slide 8

9. Y ‘ e @
USA N Fertilizer
ImPACT Visual Waggoner Ausubel slide 9

10. ‘+
USA N Fertilizer
@+ e Y
ImPACT Visual Waggoner Ausubel slide 10

11. USA Cropland
ImPACT Visual Waggoner Ausubel slide11

12. Less
More
USA Cropland
ImPACT Visual Waggoner Ausubel slide 12

13. Y ‘ @
USA Cropland e
ImPACT Visual Waggoner Ausubel slide 13

14. Y
‘+ e
@+
USA Cropland
ImPACT Visual Waggoner Ausubel slide 14

15. ImPACT Visual Waggoner Ausubel slide 15

16. Net of leverages changes C emission %/yr
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Net of leverages changes C emission %/yr
Component leverages %/yr
Balance of leverages %/yr ‘ e @ 
ImPACT Visual Waggoner Ausubel slide 16