Despite rising awareness about global climate change and its devastating impacts, carbon dioxide levels keep treading in the wrong direction. This year’s annual increase of CO2 levels is one of the ...

The root cause of global warming is showing no signs of slowing as heat-trapping carbon dioxide in Earth’s atmosphere increased to record highs during its annual spring peak, jumping at one of the ...

The National Oceanic and Atmospheric Administration in 2023 measured levels of carbon dioxide in the atmosphere that haven't been as high for millions of years. Atmospheric CO2 reached an average of ...

A cadre of iron-rich extraterrestrial particles picked up faint whiffs of our planet's atmosphere when they fell to Earth ...

"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 ...

Ground-level ozone forms when pollutants from vehicles, industrial plants and other sources mix with sunlight, and not ...

Carbon dioxide in our atmosphere reached it's annual peak in May, topping out at the highest level ever directly measured since modern observations began 63 years ago. That level, as measured atop ...