Climate change TED talks Flashcards
1
Q
How much has the concentration of carbon dioxide increased by in the last 150 years?
A
40%
2
Q
How much carbon has been released into the atmosphere through human actions?
A
9.4 billion metric tonnes
3
Q
How much of the worlds soils are considered degraded?
A
Half of the soils
4
Q
How much more carbon has soil use and degradation released into the atmosphere compared to humans in the last 200 years
A
12 times more carbon
