the enhanced greenhouse effect (carbon cycle) Flashcards
1
Q
what is the enhanced greenhouse effect
A
the process causing global warming as abnormally high amounts of greenhouse gases are being produced by humans
2
Q
what is the most important anthropogenic gas and how much does it contribute to radiative forcing
A
carbon, 65%
3
Q
what process will increase as a result of global temp increase
A
Evapotranspiration
4
Q
main causes of enhanced greenhouse effect
A
Urbanisation and population growth
Land use change
Farming techniques
Burning of fossil fuels
5
Q
How much do urban areas occupy on earth and how much do they contribute to co2 levels
A
2% of land but 97% of CO2
6
Q
How much does deforestation account for greenhouse gases
A
20%
