A Gulf of Maine field experiment shows that adding sodium hydroxide to seawater can pull carbon dioxide from the atmosphere within days.

Earth’s atmosphere now has more carbon dioxide in it than it has in millions — and possibly tens of millions — of years, according to data released Thursday by the National Oceanic and Atmospheric ...

PORTLAND, Ore. (KOIN) — The carbon dioxide building up in the Earth’s atmosphere is currently accumulating 10 times faster than it did during any other period in the past 50,000 years, a new study led ...

Carbon dioxide levels in the atmosphere rose by a record amount to new highs in 2024, locking in yet more long-term global warming, UN experts have warned. The annual update by the World ...

GENEVA — Heat-trapping carbon dioxide levels in the atmosphere jumped by the highest amount on record last year, soaring to a level not seen in human civilization and “turbo-charging” the Earth’s ...

Humans evolved in an atmosphere containing roughly 200–300 parts per million (ppm) of carbon dioxide (CO₂). Today, that figure sits above 420 ppm, higher than at any point in the history of our ...

Levels of planet-heating carbon dioxide gas in the atmosphere are rising “faster than ever,” according to a report published Thursday. That spells serious disruption for the climate in decades to come ...

GENEVA — Heat-trapping carbon dioxide levels in the atmosphere jumped by the highest amount on record last year, soaring to a level not seen in human civilization and “turbo-charging” the Earth’s ...