The claim: The 'six great ice ages' began when CO2 was higher than now; all plants and animals die when CO2 levels are cut in half A July 4 post (direct link, archive link) on X, formerly Twitter, ...

Atmospheric carbon dioxide levels reached an all-time record high last month, after growing at one of the fastest rates on record, according to a National Oceanic and Atmospheric Administration report ...

NEW YORK — Communities around the world emitted more carbon dioxide in 2022 than in any other year on records dating to 1900, a result of air travel rebounding from the pandemic and more cities ...

Levels of carbon dioxide in Earth's atmosphere reached another record high last month, scientists from the National Oceanic and Atmospheric Administration and the Scripps Institution of Oceanography ...

Hypercapnia happens when you have too much carbon dioxide (CO2) in your blood. Symptoms of hypercapnia include dizziness, flushing, and shortness of breath. Severe hypercapnia can lead to serious ...

Despite rising awareness about global climate change and its devastating impacts, carbon dioxide levels keep treading in the wrong direction. This year’s annual increase of CO2 levels is one of the ...

With May in the books, it’s official: carbon dioxide set an all-time monthly record. It’s a sobering annual reminder that humans are pushing the climate into a state unseen in millions of years.

For the first time, an international team has conducted two unique long-term experiments, concluding that elevated atmospheric CO2 reduces soil phosphorus availability in rice crops by more than 20% ...