Rising carbon dioxide levels are heating the planet but may also have an alarming, invisible impact on the human body, ...

Earth inhales and exhales carbon, indicating where and when vegetation is growing (sucking up carbon dioxide) or dying off (releasing carbon dioxide).

An observatory high on Hawaii's Mauna Loa volcano that measures carbon dioxide in the atmosphere has reported its highest ever seasonal peak concentration of the greenhouse gas. For the first time, ...

Parents in one Maine school district are speaking out after learning about elevated carbon dioxide levels inside several ...

The average level of carbon dioxide in Earth’s atmosphere climbed by the largest amount on record between 2023 and 2024, the World Meteorological Organization said Thursday. Human activities, mainly ...

Rising carbon dioxide levels are being detected within the human body, with new research warning a key blood marker for the gas could near its healthy limit within decades if current trends continue.

Frozen air from Antarctica is giving scientists a longer look at a climate mystery that has lingered for decades: why Earth ...

WASHINGTON (AP) - The annual peak of global heat-trapping carbon dioxide in the air has reached another dangerous milestone: 50% higher than when the industrial age began. And the average rate of ...

Ten people were treated for exposure to elevated levels of carbon dioxide during a hazmat incident inside a poultry processing plant in Southwest Baltimore Sunday, according to the fire department.