This page includes information on the global warming impacts of different gases.| US EPA
Information about enforcement of the clean air act. Covers mobile and stationary sources, as well as compliance monitoring and assurance.| US EPA
Imports are goods that are shipped into the country from abroad while exports are goods shipped out of the country. Find out more about the basics involved in importing and exporting.| USA Customs Clearance
Learn about methane emissions from landfills, how landfill gas is collected and treated, and the types of landfill gas energy projects.| US EPA
The national greenhouse gas inventory is developed each year to track trends in U.S. emissions and removals. Find emissions by source, economic sector and greenhouse gas.| US EPA