This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
COMaunaLoa. graph graph depicting CO mainly due to the use of fossil energy sources Graph drawn by Hanno using data published on the web by Tans as Monthly mean atmospheric carbon dioxide at Mauna Loa Observatory Hawaii Global Monitoring Division Earth System Research Laboratory National Oceanic and Atmospheric Administration Department