2007 Greenhouse Gas Emissions from Selected Iowa Source Categories

The Department’s 2007 Greenhouse Gas Inventory is a refinement of previous statewide inventories. It is a bottom-up inventory of two sectors – fossil fuel combustion at federally-recognized major sources of air pollution and fossil fuel combustion and ethanol fermentation at dry mill ethanol plants. This is the first bottomup greenhouse gas inventory conducted for Iowa and the first bottom-up greenhouse gas inventory of ethanol plants in the nation that the Department is aware of. In a bottom-up inventory, facility-specific activity data is used to calculate emissions. In a top-down inventory, aggregate activity data is used to calculate emissions. For example, this bottom-up inventory calculates greenhouse gas emissions from the fossil fuel combustion at each individual facility instead of using the total amount of fossil fuel combusted state-wide, which would be a top-down inventory method. The advantage to a bottom-up inventory is that the calculations are more accurate than a top-down inventory. However, because the two methods differ, the results from a bottom-up inventory are not directly comparable to a top-down inventory.

Business Sphere, Vol. 20, no.1

Wind power is the fastest growing source of energy in the nation. New installations have expanded total U.S. generating capacity by 45 percent and injected over $9 billion in new investments into the economy in 2007. These new wind projects accounted for about 30 percent of the entire new power-producing capacity added nationally in 2007. According to our figures at the American Wind Energy Association, installed wind power capacity in the U.S. is now over 16,800 megawatts, and the future looks bright. With every wind turbine that goes up, America’s dependence on fossil fuels for power generation goes down. Wind energy represents a tremendous opportunity to use a non-polluting, inexhaustible source to meet our electric power needs.

Business Sphere, Vol. 19, no.1

Ethanol, the clean-burning, high octane fuel distilled from Iowa’s corn fields, has the potential to free the U.S. from its foreign oil dependence. Transforming corn into ethanol, however, takes energy, usually in the form of natural gas or coal. Ames-based Frontline BioEnergy is developing biomass-to-energy conversion methods that reduce an ethanol plant’s consumption of fossil fuels, making ethanol an even greener product. As Iowa’s ethanol industry continues to grow, developing energy from biomass could result in huge savings for the state’s production facilities.

Acadian Hairstreak Styrium acadicum, 2011

Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, butterflies, etc. that can be found in Iowa.

American Brook Lamprey Lampetra appendix, 2011

Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, butterflies, etc. that can be found in Iowa.

Arogos Skipper Atrytone arogos, 2011

Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, butterflies, etc. that can be found in Iowa.

Bald Eagle Haliaeetus leucocephalus, 2011

Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, birds, fish, butterflies, etc. that can be found in Iowa.

Baltimore Checkerspot Euphydryas phaeton, 2011

Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, birds, fish, butterflies, etc. that can be found in Iowa.

Blacknose Shiner Notropis heterolepis, 2011

Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, birds, fish, butterflies, etc. that can be found in Iowa.

Black Redhorse Moxostoma duquesnei, 2011

Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, birds, fish, butterflies, etc. that can be found in Iowa.

Black Tern Chlidonias niger, 2011

Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, birds, fish, butterflies, etc. that can be found in Iowa.

Bluff Vertigo Vertigo meramecensis, 2011

Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, birds, fish, butterflies, etc. that can be found in Iowa.

Bluntnose Darter Etheostoma chlorosomum, 2011

Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, birds, fish, butterflies, etc. that can be found in Iowa.

Briarton Pleistocene Vertigo Vertigo briarensis, 2011

Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, birds, fish, butterflies, etc. that can be found in Iowa.

Blue-spotted Salamander Ambystoma laterale, 2011

Data sheet produced by the Iowa Department of Natural Resources is about different times of animals, insects, snakes, birds, fish, butterflies, etc. that can be found in Iowa.