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Greenhouse gases (GHGs) are gases that trap heat in the atmosphere, and the Environmental Protection Agency (EPA) regulates the reduction of human-made emissions of GHGs through various programs, including preconstruction permitting and operating permits. The EPA also inventories GHS emissions from the largest sources in the United States through the Greenhouse Gas Reporting Program, cited under 40 CFR 98.
Stationary sources that are already covered by preconstruction, operating permits, or other air permits may also need to include GHG emissions in their permitting calculations, and large stationary sources in 41 industrial categories covered under the Greenhouse Gas Reporting Program need to track their greenhouse gas emissions and report them to the EPA every year.
Regulated GHGs
The greenhouse gases (GHGs) regulated by the EPA are:
GHG emissions are measured in parts per million, parts per billion, or parts per trillion. One part per million is roughly equal to one drop of water spread into 13 gallons of liquid.
Each gas’s effect on climate change depends on three main factors:
Greenhouse gases (GHGs) are gases that trap heat in the atmosphere, and the Environmental Protection Agency (EPA) regulates the reduction of human-made emissions of GHGs through various programs, including preconstruction permitting and operating permits. The EPA also inventories GHS emissions from the largest sources in the United States through the Greenhouse Gas Reporting Program, cited under 40 CFR 98.
Stationary sources that are already covered by preconstruction, operating permits, or other air permits may also need to include GHG emissions in their permitting calculations, and large stationary sources in 41 industrial categories covered under the Greenhouse Gas Reporting Program need to track their greenhouse gas emissions and report them to the EPA every year.
Regulated GHGs
The greenhouse gases (GHGs) regulated by the EPA are:
GHG emissions are measured in parts per million, parts per billion, or parts per trillion. One part per million is roughly equal to one drop of water spread into 13 gallons of liquid.
Each gas’s effect on climate change depends on three main factors: