A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the ...

There's now more carbon dioxide (CO2) in the atmosphere than ever before in human history, scientists have revealed. For the first time on record, monthly average CO2 levels exceeded 430 parts per ...

The claim: Antarctica hasn't warmed for over 70 years because humans have only contributed 40 ppm of CO2 to the atmosphere A Dec. 1 Instagram video (direct link, archive link) shows a headline that ...

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For the first time, measurements of atmospheric carbon dioxide (CO 2) taken at Mauna Loa Observatory in Hawaii exceeded 400 parts-per-million on an hourly basis. It's a symbolic benchmark, but an ...

The World Meteorological Organization said the increase in CO2 levels in the atmosphere from 2023 to 2024 marked the biggest one-year jump since records began in 1957. Wednesday's report, which comes ...