When last checked this resource was offlineOur automated link checker has alerted the folks responsible for the part of our site where this problematic link is referenced.
If you have further information about the link (e.g. a new location where the information can be found) please let us know.
This EPA website provides basic information about methane. Topics covered include methane's role as a greenhouse gas, atmospheric concentrations of methane over time, processes that remove methane from the atmosphere, and links to atmospheric measurement data.