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Iowa's GHG Emissions

2010 Iowa Statewide Greenhouse Gas Emissions

GHG emissions for 2010 were calculated using the most recent version of the United States Environmental Protection Agency’s (EPA) State Greenhouse Gas Inventory Tool (SIT).

In 2010, total Iowa gross greenhouse gas emissions were 136.52 million metric tons carbon dioxide equivalents (MMtCO2e). Figure 1 and Table 1 present the GHG emission from each sector. Table 1 includes net GHG emissions after carbon sinks.

Figure 1: 2010 Iowa Gross* GHG Emissions (MMtCO2e)
Graph - Iowa's Greenhouse Gas Emissions
*Does not include carbon sinks from land use, land use change, and forestry.

Total statewide gross GHG emissions increased 10.7% from 2005 – 2010, peaking in 2007 as shown in Figure 2. GHG emissions decreased 5.1% from 2007 – 2009, mostly due to the economic downturn.

Figure 2: Iowa Gross* GHG Emissions 2005 – 2010 (MMtCO2e)
U.S. Greenhouse Gas Emission Graph
*Does not include carbon sinks from land use, land use change, and forestry.

Table 1: 2005-2010 Iowa GHG Emissions, by Sector*

Emissions (MMtCO2e)

2005

2006

2007

2008

2009

2010

Agriculture

32.14

34.25

38.73

34.81

34.63

33.88

Enteric Fermentation

5.95

6.35

6.62

6.77

6.74

6.50

Manure Management

6.77

6.80

7.48

8.19

8.25

7.93

Agricultural Soil Management

19.42

21.10

24.63

19.85

19.63

19.45

Burning of Agricultural Crop Waste 

0.01

0.01

0.01

0.01

0.01

0.01

Fossil Fuel Combustion

60.90

60.68

66.26

69.53

65.38

72.67

Electric Power Fuel Use

36.84

36.35

40.04

41.78

37.71

41.40

Residential, Commercial, and Industrial (RCI) Fuel Use

24.07

24.32

26.21

27.75

27.66

31.27

Industrial Processes

4.67

4.81

4.83

4.93

4.22

4.62

Land Use, Land Use Change, and Forestry (LULUCF)

(16.97)

(16.93)

(16.96)

(17.09)

(17.15)

(16.96)

Natural Gas and Oil Transmission and Distribution

1.15

1.15

1.16

1.07

1.17

1.17

Transportation

21.88

22.38

22.81

21.97

21.42

21.70

Waste

2.62

2.56

2.60

2.62

2.59

2.49

Municipal Solid Waste (MSW)

2.17

2.11

2.14

2.15

2.12

2.03

Wastewater

0.45

0.45

0.46

0.47

0.47

0.46

Gross Emissions

123.37

125.83

136.39

134.94

129.41

136.52

Sinks

(16.97)

(16.93)

(16.96)

(17.09)

(17.15)

(16.96)

Net Emissions

106.40

108.90

119.43

117.84

112.26

119.56

% change in Gross from Previous Year

 

2.00%

8.40%

(1.07)%

(4.10)%

5.50%

% change in Gross from 2005

 

2.00%

10.56%

9.38%

4.90%

10.67%

* Totals may not equal the exact sum of subtotals in this table due to independent rounding. Numbers in parentheses are negative numbers.

The information on this page was obtained from the 2010 Iowa GHG Inventory Report.


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