National Inventory

Carbon dioxide (CO₂), methane (CH₄), and nitrous oxide (N₂O) are the greenhouse gases (GHGs) associated with the forest and agricultural sectors. Every year, EPA, in cooperation with other federal agencies, produces an annual inventory for the U.S. of these emissions and other GHGs for other sectors of the economy.

Information from the most recent inventory report includes:

• Sequestration on U.S. forest and agricultural lands
• Methane (CH₄) and nitrous oxide (N₂O) emissions from croplands

In addition, the full text of the Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2002 provides greater detail for agriculture and forestry.

Source: EPA (2004) Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2002.

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