BBCNEWS Reporting from the Climate... November 6, 2021 14:42:00
Analyse the air inside them. the ice holds a record of the climate, trapping carbon dioxide a year after year so we can see how it has risen and fallen. but the next step is working out our role in that, the human fingerprint on global warming, and that involves more recent data. get into it took a long journey to hawaii, and up an old volcano. at the summit lies a forest of instruments. one of them has measured carbon dioxide since 1958. by measured carbon dioxide since 1958. by coincidence, that is the year i was born. so, during my lifetime, levels of this key gas have just kept rising. we ...
Source: archive.org