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Iowa Greenhouse Gas Inventories

2013 GHG pie chartAnnual greenhouse gas inventories are required by Iowa Code 455B.104 which states that "by December 31, of each year, the department shall submit a report to the governor and the general assembly regarding the greenhouse gas (GHG) emissions in the state during the previous calendar year and forecasting trends in such emissions...."  The most recent report focuses on calendar year 2013 GHG emissions.

The 2013 GHG Inventory is a "top-down" inventory based on statewide activity data from agriculture, fossil fuel combustion, industrial processes, natural gas transmission and distribution, transportation, solid waste, and wastewater treatment. It also includes carbon sequestered or emitted from land use, land use change, and forestry (LULUCF). GHGs included in the inventory are carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), perfluorocarbons (PFC), hydrofluorocarbons (HFC), and sulfur hexafluoride (SF6). Send questions to Marnie Stein at

2013 GHG Inventory

Previous Reports