For a short time in the life span of the Earth, humans have made a significant impression as seen in the following.
|
Global Annual Data Indicator |
10000 BCE |
2008 CE |
|
Human population |
2 000 000 |
6,692,030,277 |
|
Meat production (land) |
14 600tonnes |
280,900,000 tonnes |
|
Fish production |
~0 |
144 200 000 tonnes |
|
Cultivated grain |
0 |
2Â 100 000 000 tonnes |
|
Land area |
13 423 420 000ha |
13 423 420 000ha |
|
Life supporting area (cropland, shrubland, grassland, savanna, forest) |
10 297 900 000ha |
10 297 900 000ha |
|
Cropland area |
0 |
3 191 300 304 ha |
|
Ammonia (NH3) production |
0 |
126 872 000 tonnes |
|
Urea production |
0 |
66 302 000 tonnes |
|
Energy use |
7.6e15 Joules |
4.66e20 Joules |
In 12000 brief years, our species has become a significant effector on the Earth’s surface. Will we be able to continue to prosper as the impact of our actions reverbrates?
