Human Impacts on the Carbon Cycle

Question 1

enhanced greenhouse effect

Answer 1

blanket in the atmosphere that traps heat and radiation from the sun
short wave radiation from the sun to earth
long wave radiation from earth to space

Question 2

deforestation

Answer 2

the trees release their stored carbon back into the atmosphere
20% of all greenhouse emissions

Question 3

land use

Answer 3

accounts for 10% of carbon release annually
most common is farming so cattle ranching which produces methane

Question 4

urbanisation

Answer 4

urban areas occupy 2% of global mass but produce 97% of all global warming emissions
cement is used for most buildings and releases CO2 during production