2.4c — anthropogenic causes of global climate change Flashcards
(5 cards)
1
Q
List
Anthropogenic Causes of Global Climate Change
A
- Agriculture
- Deforestation
2
Q
Define
Deforestation
A
The clearing of natural forests, for urban settlement, agriculture, or for natural resources such as timber.
3
Q
Explain
Why does deforestation cause climate change?
A
Native forests store large amounts of carbon dioxide. When vegetation dies, carbon dioxide is rereleased into the air.
4
Q
Explain
Why does agriculture cause climate change?
A
- Methane emissions from livestock, such as cows, goats, sheep
5
Q
Recall
What percentage of anthropogenic greenhouse gas emissions are produced by agriculture?
A
~20%.
