Barrons AP Environmental Science

Source: U.S.    Environmental   Protection  Agency  (EPA)

Figure  11.6    Annual  greenhouse  gas emissions   by  gas Warming

Potential   of  Various Greenhouse  Gases

Greenhouse  Gas Average Time    in

Troposphere

(Years)

Relative

Warming

Potential   (CO 2   =

1)

Source

Carbon Dioxide

(CO 2 ) 100 1

Burning oil,

coal,

deforestation,

cellular

respiration

Chlorofluorocarbons
(CFCs)

15  (100    in

stratosphere)

1,000–8,000 Air

conditioners,

refrigerators,

foam    products,