The sign at the Mauna Loa Observatory - Geophysical Monitoring for Climatic
Change. The Mauna Loa Observatory is at 3400 meters elevation, over 2 statute
miles high. Here, carbon dioxide in the atmosphere has been measured for many
years.
Image ID: corp2678, NOAA At The Ends of the Earth Collection Location: Mauna Loa, Hawaii Photo Date: 1982 February Photographer: Commander John Bortniak, NOAA Corps (ret.)
Category: Observatory/Mauna Loa/Clean Air Facility/