From the air to our blood ...

U.S. lawmakers in Congress have introduced legislation to improve research into removing carbon dioxide from the ocean, ...

What we breathe out becomes fuel for forests. But inside our own bodies, CO₂ has a secret life. It sparks chemical reactions, shapes metabolism, and may even act as a signaling molecule—and a new tool ...

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.

Fungus-farming ants have evolved a remarkable solution to the danger of excess carbon dioxide inside their nests – which could inspire ways for humans to capture CO2 ...

Carbon dioxide measured at NOAA’s Mauna Loa Atmospheric Baseline Observatory peaked for 2022 at 421 parts per million in May, pushing the atmosphere further into territory not seen for millions of ...

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 turning to coal ...

John Locher/AP / AP The amount of planet-warming carbon dioxide in the Earth’s atmosphere has hit a new record, as humanity struggles to rein in emissions of greenhouse gasses from burning fossil ...

The concentration of atmospheric carbon-dioxide surged past 420 parts per million (PPM) for the first time in recorded history this past weekend, according to a measurement taken by the National ...

In what used to be a fish-processing plant in Akranes, a small port in Iceland, fragments of seaweed rise and fall in glass columns lit by leds. Running Tide, the Maine-based company which runs the ...

Carbon dioxide has no taste, no odor, and no color — but it's a vital ingredient in the beer business, from putting frothy bubbles in brews to blocking oxidization that makes beer taste stale. But ...