Carbon dioxide levels in Earth's atmosphere are at their highest point in human history, a study released in early December reports. In fact, according to the study, it has been about 14 million years ...

"Carbon dioxide remains in the atmosphere for centuries and in the ocean for even longer. The last time the Earth experienced a comparable concentration of CO2 was 3-5 million years ago, when the ...

The Charleston County School District says Mamie P. Whitesides Elementary School experienced higher than normal carbon dioxide (CO2) levels Tuesday, after engineers atthe school noticed two outdoor ...

Far above your head, in the atmosphere between Earth and outer space, an invisible process is occurring. The increasing concentration of carbon dioxide is already manifesting itself in impacts beyond ...

A misleading bar chart comparing modern carbon dioxide (CO2) levels to those millions of years before humans existed ignores a large CO2 increase during the human era that has changed the climate and ...

The Earth is dealing with something that it hasn’t faced in at least the last 800,000 years. It’s a dramatic shift in the levels of carbon dioxide present in the planet’s atmosphere, and it’s ...

Greenhouse gas concentrations increased by a record amount in 2024 as more carbon dioxide, methane and nitrous oxide became locked in Earth's atmosphere, a World Meteorological Organization report ...

GENEVA (AP) — 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 ...

Soil microbes can outcompete plants for vital nutrients, which could limit the amount of carbon dioxide forests are able to remove from the atmosphere. However, researchers remain uncertain about ...