4 ms·
it starts 1958 because it changes the source [1]. Before 1958 law dome & ice cores. After 1958 air measurements at Mauna Loa Observatory, Hawaii. [1] https://w
by rsecora 3y ago
it starts 1958 because it changes the source [1]. Before 1958 law dome & ice cores. After 1958 air measurements at Mauna Loa Observatory, Hawaii.
[1] https://www.co2levels.org/#sources https://www.co2levels.org/#sources