described at URL: https://svs.gsfc.nasa.gov/14696 URL: https://svs.gsfc.nasa.gov/vis/a010000/a014600/a014696/Smithsonian_GHG.png determination method or standard:...
DescriptionNASA - Smithsonian and Greenhouse Gases (SVS14696).webm English: Full 8K resolution. Optimized for Earth Information Center display at the...