Notes

Slide Show

Outline

1
2
3
4
5	Since 1945 » 11 % of earth’s vegetated surface (» area of China + India) has been degraded so badly it will be very expensive or impossible to fix.
6
7
8	Average soil formation rate:
9	Did you know that in Texas ~60 tons of topsoil is lost to produce 1 ton of cotton?
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27