Climate change TED talks Flashcards

1
Q

How much has the concentration of carbon dioxide increased by in the last 150 years?

A

40%

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2
Q

How much carbon has been released into the atmosphere through human actions?

A

9.4 billion metric tonnes

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3
Q

How much of the worlds soils are considered degraded?

A

Half of the soils

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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

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